100102112111020 has 24 divisors (see below), whose sum is σ = 213094085236704. Its totient is φ = 39492340119936.

The previous prime is 100102112111009. The next prime is 100102112111021. The reversal of 100102112111020 is 20111211201001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100102112111021) 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, 34281543784 + ... + 34281546703.

It is an arithmetic number, because the mean of its divisors is an integer number (8878920218196).

Almost surely, 2^{100102112111020} is an apocalyptic number.

100102112111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102112111020 is an abundant number, since it is smaller than the sum of its proper divisors (112991973125684).

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

100102112111020 is a wasteful number, since it uses less digits than its factorization.

100102112111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68563090569 (or 68563090567 counting only the distinct ones).

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

Adding to 100102112111020 its reverse (20111211201001), we get a palindrome (120213323312021).

The spelling of 100102112111020 in words is "one hundred trillion, one hundred two billion, one hundred twelve million, one hundred eleven thousand, twenty".