201112423100 has 36 divisors (see below), whose sum is σ = 442392247584. Its totient is φ = 79342980480.

The previous prime is 201112423093. The next prime is 201112423111. The reversal of 201112423100 is 1324211102.

It is a super-2 number, since 2×201112423100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 13767524 + ... + 13782123.

It is an arithmetic number, because the mean of its divisors is an integer number (12288673544).

Almost surely, 2^201112423100 is an apocalyptic number.

201112423100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112423100 is an abundant number, since it is smaller than the sum of its proper divisors (241279824484).

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

201112423100 is a wasteful number, since it uses less digits than its factorization.

201112423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27549734 (or 27549727 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201112423100 its reverse (1324211102), we get a palindrome (202436634202).

The spelling of 201112423100 in words is "two hundred one billion, one hundred twelve million, four hundred twenty-three thousand, one hundred".