110021112100020 has 96 divisors (see below), whose sum is σ = 336153424965120. Its totient is φ = 26664726252160.

The previous prime is 110021112099931. The next prime is 110021112100033. The reversal of 110021112100020 is 20001211120011.

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

It is a junction number, because it is equal to n+sod(n) for n = 110021112099969 and 110021112100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19561782 + ... + 24550061.

It is an arithmetic number, because the mean of its divisors is an integer number (3501598176720).

Almost surely, 2^{110021112100020} is an apocalyptic number.

110021112100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021112100020 is an abundant number, since it is smaller than the sum of its proper divisors (226132312865100).

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

110021112100020 is a wasteful number, since it uses less digits than its factorization.

110021112100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44115645 (or 44115643 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110021112100020 its reverse (20001211120011), we get a palindrome (130022323220031).

It can be divided in two parts, 1100211 and 12100020, that added together give a palindrome (13200231).

The spelling of 110021112100020 in words is "one hundred ten trillion, twenty-one billion, one hundred twelve million, one hundred thousand, twenty".