22111120102021 has 4 divisors (see below), whose sum is σ = 22143118829344. Its totient is φ = 22079121374700.

The previous prime is 22111120101991. The next prime is 22111120102037. The reversal of 22111120102021 is 12020102111122.

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 22111120102021 - 2¹⁷ = 22111119970949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111120101986 and 22111120102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111120102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15999362625 + ... + 15999364006.

It is an arithmetic number, because the mean of its divisors is an integer number (5535779707336).

Almost surely, 2^{22111120102021} is an apocalyptic number.

It is an amenable number.

22111120102021 is a deficient number, since it is larger than the sum of its proper divisors (31998727323).

22111120102021 is an equidigital number, since it uses as much as digits as its factorization.

22111120102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31998727322.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111120102021 its reverse (12020102111122), we get a palindrome (34131222213143).

The spelling of 22111120102021 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty million, one hundred two thousand, twenty-one".