221112020022000 has 160 divisors (see below), whose sum is σ = 750384371493120. Its totient is φ = 55859878713600.

The previous prime is 221112020021993. The next prime is 221112020022011. The reversal of 221112020022000 is 220020211122.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969675562 + ... + 969903561.

It is an arithmetic number, because the mean of its divisors is an integer number (4689902321832).

Almost surely, 2^{221112020022000} is an apocalyptic number.

221112020022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112020022000 is an abundant number, since it is smaller than the sum of its proper divisors (529272351471120).

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

221112020022000 is a wasteful number, since it uses less digits than its factorization.

221112020022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939579168 (or 1939579152 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221112020022000 its reverse (220020211122), we get a palindrome (221332040233122).

The spelling of 221112020022000 in words is "two hundred twenty-one trillion, one hundred twelve billion, twenty million, twenty-two thousand".