100020020023112 has 32 divisors (see below), whose sum is σ = 223647249744000. Its totient is φ = 41001995785344.

The previous prime is 100020020023111. The next prime is 100020020023123. The reversal of 100020020023112 is 211320020020001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (100020020023111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38827646237 + ... + 38827648812.

It is an arithmetic number, because the mean of its divisors is an integer number (6988976554500).

Almost surely, 2^{100020020023112} is an apocalyptic number.

It is an amenable number.

100020020023112 is an abundant number, since it is smaller than the sum of its proper divisors (123627229720888).

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

100020020023112 is a wasteful number, since it uses less digits than its factorization.

100020020023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77655295085 (or 77655295081 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100020020023112 its reverse (211320020020001), we get a palindrome (311340040043113).

The spelling of 100020020023112 in words is "one hundred trillion, twenty billion, twenty million, twenty-three thousand, one hundred twelve".