22131221352122 has 8 divisors (see below), whose sum is σ = 33329090323872. Its totient is φ = 11021524577500.

The previous prime is 22131221352103. The next prime is 22131221352127. The reversal of 22131221352122 is 22125312213122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22131221352127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22043048654 + ... + 22043049657.

It is an arithmetic number, because the mean of its divisors is an integer number (4166136290484).

Almost surely, 2^{22131221352122} is an apocalyptic number.

22131221352122 is a deficient number, since it is larger than the sum of its proper divisors (11197868971750).

22131221352122 is a wasteful number, since it uses less digits than its factorization.

22131221352122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44086098564.

The product of its digits is 5760, while the sum is 29.

Adding to 22131221352122 its reverse (22125312213122), we get a palindrome (44256533565244).

The spelling of 22131221352122 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, three hundred fifty-two thousand, one hundred twenty-two".