20221100111213 has 16 divisors (see below), whose sum is σ = 20962658304000. Its totient is φ = 19493709501552.

The previous prime is 20221100111183. The next prime is 20221100111231. The reversal of 20221100111213 is 31211100112202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20221100111213 - 2¹⁴ = 20221100094829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221100111191 and 20221100111200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221100111243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4943093 + ... + 8054586.

It is an arithmetic number, because the mean of its divisors is an integer number (1310166144000).

Almost surely, 2^{20221100111213} is an apocalyptic number.

It is an amenable number.

20221100111213 is a deficient number, since it is larger than the sum of its proper divisors (741558192787).

20221100111213 is a wasteful number, since it uses less digits than its factorization.

20221100111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998224.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20221100111213 its reverse (31211100112202), we get a palindrome (51432200223415).

The spelling of 20221100111213 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, one hundred eleven thousand, two hundred thirteen".