2101020221112 has 64 divisors (see below), whose sum is σ = 5373234316800. Its totient is φ = 684298502400.

The previous prime is 2101020221101. The next prime is 2101020221149. The reversal of 2101020221112 is 2111220201012.

It is a junction number, because it is equal to n+sod(n) for n = 2101020221091 and 2101020221100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871662 + ... + 2227517.

It is an arithmetic number, because the mean of its divisors is an integer number (83956786200).

Almost surely, 2^{2101020221112} is an apocalyptic number.

It is an amenable number.

2101020221112 is an abundant number, since it is smaller than the sum of its proper divisors (3272214095688).

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

2101020221112 is a wasteful number, since it uses less digits than its factorization.

2101020221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099836 (or 3099832 counting only the distinct ones).

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

Adding to 2101020221112 its reverse (2111220201012), we get a palindrome (4212240422124).

The spelling of 2101020221112 in words is "two trillion, one hundred one billion, twenty million, two hundred twenty-one thousand, one hundred twelve".