222021011000 has 32 divisors (see below), whose sum is σ = 519529168080. Its totient is φ = 88808404000.

The previous prime is 222021010993. The next prime is 222021011029. The reversal of 222021011000 is 110120222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111009506 + ... + 111011505.

Almost surely, 2^222021011000 is an apocalyptic number.

222021011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021011000 is an abundant number, since it is smaller than the sum of its proper divisors (297508157080).

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

222021011000 is a wasteful number, since it uses less digits than its factorization.

222021011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222021032 (or 222021018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222021011000 its reverse (110120222), we get a palindrome (222131131222).

The spelling of 222021011000 in words is "two hundred twenty-two billion, twenty-one million, eleven thousand".