22213210031121 has 8 divisors (see below), whose sum is σ = 29617719379360. Its totient is φ = 14808753685152.

The previous prime is 22213210031101. The next prime is 22213210031123. The reversal of 22213210031121 is 12113001231222.

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

It is not a de Polignac number, because 22213210031121 - 2¹⁸ = 22213209768977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22213210031123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12262135 + ... + 13956588.

It is an arithmetic number, because the mean of its divisors is an integer number (3702214922420).

Almost surely, 2^{22213210031121} is an apocalyptic number.

It is an amenable number.

22213210031121 is a deficient number, since it is larger than the sum of its proper divisors (7404509348239).

22213210031121 is a wasteful number, since it uses less digits than its factorization.

22213210031121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26501135.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22213210031121 its reverse (12113001231222), we get a palindrome (34326211262343).

The spelling of 22213210031121 in words is "twenty-two trillion, two hundred thirteen billion, two hundred ten million, thirty-one thousand, one hundred twenty-one".