201102110111100 has 144 divisors (see below), whose sum is σ = 641036055816576. Its totient is φ = 48269333280000.

The previous prime is 201102110111093. The next prime is 201102110111209. The reversal of 201102110111100 is 1111011201102.

It is a super-2 number, since 2×201102110111100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301350034 + ... + 302016633.

It is an arithmetic number, because the mean of its divisors is an integer number (4451639276504).

Almost surely, 2^{201102110111100} is an apocalyptic number.

201102110111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102110111100 is an abundant number, since it is smaller than the sum of its proper divisors (439933945705476).

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

201102110111100 is a wasteful number, since it uses less digits than its factorization.

201102110111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603366796 (or 603366789 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 201102110111100 its reverse (1111011201102), we get a palindrome (202213121312202).

It can be divided in two parts, 2011021 and 10111100, that added together give a palindrome (12122121).

The spelling of 201102110111100 in words is "two hundred one trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred".