20102021012112 has 80 divisors (see below), whose sum is σ = 55925563659840. Its totient is φ = 6185158672896.

The previous prime is 20102021012107. The next prime is 20102021012147. The reversal of 20102021012112 is 21121012020102.

It is a junction number, because it is equal to n+sod(n) for n = 20102021012091 and 20102021012100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66240339 + ... + 66543117.

It is an arithmetic number, because the mean of its divisors is an integer number (699069545748).

Almost surely, 2^{20102021012112} is an apocalyptic number.

It is an amenable number.

20102021012112 is an abundant number, since it is smaller than the sum of its proper divisors (35823542647728).

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

20102021012112 is a wasteful number, since it uses less digits than its factorization.

20102021012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409200 (or 409194 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102021012112 its reverse (21121012020102), we get a palindrome (41223033032214).

The spelling of 20102021012112 in words is "twenty trillion, one hundred two billion, twenty-one million, twelve thousand, one hundred twelve".