221020102112000 has 144 divisors (see below), whose sum is σ = 554791679586144. Its totient is φ = 87733168640000.

The previous prime is 221020102111981. The next prime is 221020102112093. The reversal of 221020102112000 is 211201020122.

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, 22170131 + ... + 30554130.

It is an arithmetic number, because the mean of its divisors is an integer number (3852719997126).

Almost surely, 2^{221020102112000} is an apocalyptic number.

221020102112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221020102112000 is an abundant number, since it is smaller than the sum of its proper divisors (333771577474144).

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

221020102112000 is an equidigital number, since it uses as much as digits as its factorization.

221020102112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52724423 (or 52724399 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221020102112000 its reverse (211201020122), we get a palindrome (221231303132122).

The spelling of 221020102112000 in words is "two hundred twenty-one trillion, twenty billion, one hundred two million, one hundred twelve thousand".