221021102112000 has 144 divisors (see below), whose sum is σ = 734121590983872. Its totient is φ = 58938960537600.

The previous prime is 221021102111989. The next prime is 221021102112011. The reversal of 221021102112000 is 211201120122.

It is an interprime number because it is at equal distance from previous prime (221021102111989) and next prime (221021102112011).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1151055574 + ... + 1151247573.

Almost surely, 2^{221021102112000} is an apocalyptic number.

221021102112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221021102112000 is an abundant number, since it is smaller than the sum of its proper divisors (513100488871872).

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

221021102112000 is an equidigital number, since it uses as much as digits as its factorization.

221021102112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302303181 (or 2302303157 counting only the distinct ones).

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

Adding to 221021102112000 its reverse (211201120122), we get a palindrome (221232303232122).

The spelling of 221021102112000 in words is "two hundred twenty-one trillion, twenty-one billion, one hundred two million, one hundred twelve thousand".