222221000211000 has 128 divisors (see below), whose sum is σ = 792376595112960. Its totient is φ = 50793371472000.

The previous prime is 222221000210971. The next prime is 222221000211071. The reversal of 222221000211000 is 112000122222.

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 31 ways as a sum of consecutive naturals, for example, 5290955196 + ... + 5290997195.

It is an arithmetic number, because the mean of its divisors is an integer number (6190442149320).

Almost surely, 2^{222221000211000} is an apocalyptic number.

222221000211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222221000211000 is an abundant number, since it is smaller than the sum of its proper divisors (570155594901960).

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

222221000211000 is a wasteful number, since it uses less digits than its factorization.

222221000211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581952422 (or 10581952408 counting only the distinct ones).

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

Adding to 222221000211000 its reverse (112000122222), we get a palindrome (222333000333222).

The spelling of 222221000211000 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred eleven thousand".