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201102112122220 = 22510055105606111
BaseRepresentation
bin101101101110011010111011…
…111101001110010101101100
3222101001011200222000202022001
4231232122323331032111230
5202324324111200402340
61551413011313102044
760234101544635011
oct5556327375162554
9871034628022261
10201102112122220
1159093a21631aa1
121a67ab2a557924
138829b0380a7ca
143793573811708
15183b1da19e29a
hexb6e6bbf4e56c

201102112122220 has 12 divisors (see below), whose sum is σ = 422314435456704. Its totient is φ = 80440844848880.

The previous prime is 201102112122143. The next prime is 201102112122257. The reversal of 201102112122220 is 22221211201102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027552803036 + ... + 5027552803075.

It is an arithmetic number, because the mean of its divisors is an integer number (35192869621392).

Almost surely, 2201102112122220 is an apocalyptic number.

201102112122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102112122220 is an abundant number, since it is smaller than the sum of its proper divisors (221212323334484).

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

201102112122220 is a wasteful number, since it uses less digits than its factorization.

201102112122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055105606120 (or 10055105606118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201102112122220 its reverse (22221211201102), we get a palindrome (223323323323322).

The spelling of 201102112122220 in words is "two hundred one trillion, one hundred two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 10055105606111 20110211212222 40220422424444 50275528030555 100551056061110 201102112122220