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1112202201220 = 2251138771303963
BaseRepresentation
bin10000001011110100011…
…010101100100010000100
310221022210021122211000021
4100023310122230202010
5121210242230414340
62210534425024524
7143232256504135
oct20136432544204
93838707584007
101112202201220
11399756169410
1215b676325144
1380b59ab7c96
143bb8bcbbc8c
151dde6d62e4a
hex102f46ac884

1112202201220 has 48 divisors (see below), whose sum is σ = 2548613285568. Its totient is φ = 404332536960.

The previous prime is 1112202201199. The next prime is 1112202201223. The reversal of 1112202201220 is 221022022111.

It is a happy number.

It is a super-2 number, since 2×11122022012202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112202201194 and 1112202201203.

It is not an unprimeable number, because it can be changed into a prime (1112202201223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200959 + ... + 1504921.

It is an arithmetic number, because the mean of its divisors is an integer number (53096110116).

Almost surely, 21112202201220 is an apocalyptic number.

1112202201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112202201220 is an abundant number, since it is smaller than the sum of its proper divisors (1436411084348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112202201220 is a wasteful number, since it uses less digits than its factorization.

1112202201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307860 (or 1307858 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1112202201220 its reverse (221022022111), we get a palindrome (1333224223331).

The spelling of 1112202201220 in words is "one trillion, one hundred twelve billion, two hundred two million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 3877 7754 15508 19385 38770 42647 77540 85294 170588 213235 426470 852940 1303963 2607926 5215852 6519815 13039630 14343593 26079260 28687186 57374372 71717965 143435930 286871860 5055464551 10110929102 20221858204 25277322755 50554645510 55610110061 101109291020 111220220122 222440440244 278050550305 556101100610 1112202201220