122211220221200 has 120 divisors (see below), whose sum is σ = 324692231792736. Its totient is φ = 43831670400000.

The previous prime is 122211220221187. The next prime is 122211220221247. The reversal of 122211220221200 is 2122022112221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189920426 + ... + 190562825.

Almost surely, 2^{122211220221200} is an apocalyptic number.

122211220221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122211220221200 is an abundant number, since it is smaller than the sum of its proper divisors (202481011571536).

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

122211220221200 is a wasteful number, since it uses less digits than its factorization.

122211220221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380483353 (or 380483342 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122211220221200 its reverse (2122022112221), we get a palindrome (124333242333421).

The spelling of 122211220221200 in words is "one hundred twenty-two trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, two hundred".