2122200221000 has 64 divisors (see below), whose sum is σ = 5087069310960. Its totient is φ = 828175680000.

The previous prime is 2122200220993. The next prime is 2122200221027. The reversal of 2122200221000 is 1220022212.

It can be written as a sum of positive squares in 8 ways, for example, as 15051854596 + 2107148366404 = 122686^2 + 1451602^2 .

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, 25839491 + ... + 25921490.

Almost surely, 2^{2122200221000} is an apocalyptic number.

2122200221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122200221000 is an abundant number, since it is smaller than the sum of its proper divisors (2964869089960).

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

2122200221000 is a wasteful number, since it uses less digits than its factorization.

2122200221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51761043 (or 51761029 counting only the distinct ones).

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

Adding to 2122200221000 its reverse (1220022212), we get a palindrome (2123420243212).

The spelling of 2122200221000 in words is "two trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand".