222021021002000 has 80 divisors (see below), whose sum is σ = 585651086002944. Its totient is φ = 80734916720000.

The previous prime is 222021021001981. The next prime is 222021021002009. The reversal of 222021021002000 is 200120120222.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (222021021002009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5045910296 + ... + 5045954295.

Almost surely, 2^{222021021002000} is an apocalyptic number.

222021021002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021021002000 is an abundant number, since it is smaller than the sum of its proper divisors (363630065000944).

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

222021021002000 is a wasteful number, since it uses less digits than its factorization.

222021021002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091864625 (or 10091864609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222021021002000 its reverse (200120120222), we get a palindrome (222221141122222).

The spelling of 222021021002000 in words is "two hundred twenty-two trillion, twenty-one billion, twenty-one million, two thousand".