22100202012111 has 4 divisors (see below), whose sum is σ = 29466936016152. Its totient is φ = 14733468008072.

The previous prime is 22100202012103. The next prime is 22100202012121. The reversal of 22100202012111 is 11121020200122.

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

It is a cyclic number.

It is not a de Polignac number, because 22100202012111 - 2³ = 22100202012103 is a prime.

It is a super-2 number, since 2×22100202012111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100202012121) 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, 3683367002016 + ... + 3683367002021.

It is an arithmetic number, because the mean of its divisors is an integer number (7366734004038).

Almost surely, 2^{22100202012111} is an apocalyptic number.

22100202012111 is a deficient number, since it is larger than the sum of its proper divisors (7366734004041).

22100202012111 is an equidigital number, since it uses as much as digits as its factorization.

22100202012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366734004040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100202012111 its reverse (11121020200122), we get a palindrome (33221222212233).

The spelling of 22100202012111 in words is "twenty-two trillion, one hundred billion, two hundred two million, twelve thousand, one hundred eleven".