22102211231213 has 4 divisors (see below), whose sum is σ = 23265485506560. Its totient is φ = 20938936955868.

The previous prime is 22102211231197. The next prime is 22102211231231. The reversal of 22102211231213 is 31213211220122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22102211231213 - 2⁴ = 22102211231197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102211231273) 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, 581637137645 + ... + 581637137682.

It is an arithmetic number, because the mean of its divisors is an integer number (5816371376640).

Almost surely, 2^{22102211231213} is an apocalyptic number.

It is an amenable number.

22102211231213 is a deficient number, since it is larger than the sum of its proper divisors (1163274275347).

22102211231213 is a wasteful number, since it uses less digits than its factorization.

22102211231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163274275346.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22102211231213 its reverse (31213211220122), we get a palindrome (53315422451335).

The spelling of 22102211231213 in words is "twenty-two trillion, one hundred two billion, two hundred eleven million, two hundred thirty-one thousand, two hundred thirteen".