111201220101100 has 36 divisors (see below), whose sum is σ = 241307229659608. Its totient is φ = 44480380752000.

The previous prime is 111201220101043. The next prime is 111201220101211. The reversal of 111201220101100 is 1101022102111.

It is a happy number.

It is a super-2 number, since 2×111201220101100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50167255 + ... + 52336945.

Almost surely, 2^{111201220101100} is an apocalyptic number.

111201220101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201220101100 is an abundant number, since it is smaller than the sum of its proper divisors (130106009558508).

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

111201220101100 is a wasteful number, since it uses less digits than its factorization.

111201220101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682226 (or 2682219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111201220101100 its reverse (1101022102111), we get a palindrome (112302242203211).

The spelling of 111201220101100 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, one hundred one thousand, one hundred".