22121121133131 has 16 divisors (see below), whose sum is σ = 29530251233280. Its totient is φ = 14729708071040.

The previous prime is 22121121133093. The next prime is 22121121133147. The reversal of 22121121133131 is 13133112112122.

It is a cyclic number.

It is not a de Polignac number, because 22121121133131 - 2¹⁹ = 22121120608843 is a prime.

It is a super-2 number, since 2×22121121133131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22121121133151) 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, 15448435 + ... + 16819523.

It is an arithmetic number, because the mean of its divisors is an integer number (1845640702080).

Almost surely, 2^{22121121133131} is an apocalyptic number.

22121121133131 is a deficient number, since it is larger than the sum of its proper divisors (7409130100149).

22121121133131 is a wasteful number, since it uses less digits than its factorization.

22121121133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377546.

The product of its digits is 432, while the sum is 24.

Adding to 22121121133131 its reverse (13133112112122), we get a palindrome (35254233245253).

The spelling of 22121121133131 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-one".