22222101012213 has 4 divisors (see below), whose sum is σ = 29629468016288. Its totient is φ = 14814734008140.

The previous prime is 22222101012193. The next prime is 22222101012277. The reversal of 22222101012213 is 31221010122222.

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 not a de Polignac number, because 22222101012213 - 2²² = 22222096817909 is a prime.

It is a super-4 number, since 4×22222101012213⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222101012213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222101017213) 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, 3703683502033 + ... + 3703683502038.

It is an arithmetic number, because the mean of its divisors is an integer number (7407367004072).

Almost surely, 2^{22222101012213} is an apocalyptic number.

It is an amenable number.

22222101012213 is a deficient number, since it is larger than the sum of its proper divisors (7407367004075).

22222101012213 is an equidigital number, since it uses as much as digits as its factorization.

22222101012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407367004074.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22222101012213 its reverse (31221010122222), we get a palindrome (53443111134435).

The spelling of 22222101012213 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, two hundred thirteen".