1222122111201 has 48 divisors (see below), whose sum is σ = 1967841907200. Its totient is φ = 726337580544.

The previous prime is 1222122111191. The next prime is 1222122111209. The reversal of 1222122111201 is 1021112212221.

1222122111201 is a `hidden beast` number, since 12 + 221 + 221 + 11 + 201 = 666.

It is not a de Polignac number, because 1222122111201 - 2⁵ = 1222122111169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222122111209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18475855 + ... + 18541883.

It is an arithmetic number, because the mean of its divisors is an integer number (40996706400).

Almost surely, 2^{1222122111201} is an apocalyptic number.

It is an amenable number.

1222122111201 is a deficient number, since it is larger than the sum of its proper divisors (745719795999).

1222122111201 is a wasteful number, since it uses less digits than its factorization.

1222122111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72438 (or 72435 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1222122111201 its reverse (1021112212221), we get a palindrome (2243234323422).

The spelling of 1222122111201 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred one".