22100121002213 has 4 divisors (see below), whose sum is σ = 22348436968620. Its totient is φ = 21851805035808.

The previous prime is 22100121002147. The next prime is 22100121002233. The reversal of 22100121002213 is 31220012100122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7308274237924 + 14791846764289 = 2703382^2 + 3846017^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100121002213 - 2¹⁴ = 22100120985829 is a prime.

It is a super-2 number, since 2×22100121002213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100121002191 and 22100121002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100121002233) 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, 124157983070 + ... + 124157983247.

It is an arithmetic number, because the mean of its divisors is an integer number (5587109242155).

Almost surely, 2^{22100121002213} is an apocalyptic number.

It is an amenable number.

22100121002213 is a deficient number, since it is larger than the sum of its proper divisors (248315966407).

22100121002213 is an equidigital number, since it uses as much as digits as its factorization.

22100121002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248315966406.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22100121002213 its reverse (31220012100122), we get a palindrome (53320133102335).

The spelling of 22100121002213 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, two thousand, two hundred thirteen".