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1110002101220 = 225349291754517
BaseRepresentation
bin10000001001110001010…
…001111110101111100100
310221010002221210011012002
4100021301101332233210
5121141241014214340
62205532233144432
7143123613120335
oct20116121765744
93833087704162
101110002101220
11398827280751
1215b16155b118
138089904cc6c
143ba1da1628c
151dd18b26715
hex1027147ebe4

1110002101220 has 48 divisors (see below), whose sum is σ = 2338527802800. Its totient is φ = 442568738304.

The previous prime is 1110002101217. The next prime is 1110002101253. The reversal of 1110002101220 is 221012000111.

It can be written as a sum of positive squares in 8 ways, for example, as 429716958784 + 680285142436 = 655528^2 + 824794^2 .

It is a super-4 number, since 4×11100021012204 (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20333402 + ... + 20387918.

It is an arithmetic number, because the mean of its divisors is an integer number (48719329225).

Almost surely, 21110002101220 is an apocalyptic number.

1110002101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110002101220 is an abundant number, since it is smaller than the sum of its proper divisors (1228525701580).

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

1110002101220 is a wasteful number, since it uses less digits than its factorization.

1110002101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57792 (or 57790 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110002101220 its reverse (221012000111), we get a palindrome (1331014101331).

The spelling of 1110002101220 in words is "one trillion, one hundred ten billion, two million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 2917 3490 5834 6980 11668 14585 29170 54517 58340 109034 218068 272585 545170 1018033 1090340 2036066 4072132 5090165 10180330 19026433 20360660 38052866 76105732 95132165 159026089 190264330 318052178 380528660 636104356 795130445 1590260890 3180521780 55500105061 111000210122 222000420244 277500525305 555001050610 1110002101220