22112021013 has 4 divisors (see below), whose sum is σ = 29482694688. Its totient is φ = 14741347340.

The previous prime is 22112021011. The next prime is 22112021017. The reversal of 22112021013 is 31012021122.

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 22112021013 - 2¹ = 22112021011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22112020983 and 22112021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112021011) 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, 3685336833 + ... + 3685336838.

It is an arithmetic number, because the mean of its divisors is an integer number (7370673672).

Almost surely, 2^22112021013 is an apocalyptic number.

It is an amenable number.

22112021013 is a deficient number, since it is larger than the sum of its proper divisors (7370673675).

22112021013 is an equidigital number, since it uses as much as digits as its factorization.

22112021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370673674.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22112021013 its reverse (31012021122), we get a palindrome (53124042135).

The spelling of 22112021013 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, thirteen".