22120021022111 has 16 divisors (see below), whose sum is σ = 24054463378080. Its totient is φ = 20255953536000.

The previous prime is 22120021022093. The next prime is 22120021022129. The reversal of 22120021022111 is 11122012002122.

It is an interprime number because it is at equal distance from previous prime (22120021022093) and next prime (22120021022129).

It is a cyclic number.

It is not a de Polignac number, because 22120021022111 - 2²⁶ = 22119953913247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22120021022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120021025111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101826611 + ... + 102043611.

It is an arithmetic number, because the mean of its divisors is an integer number (1503403961130).

Almost surely, 2^{22120021022111} is an apocalyptic number.

22120021022111 is a deficient number, since it is larger than the sum of its proper divisors (1934442355969).

22120021022111 is a wasteful number, since it uses less digits than its factorization.

22120021022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379114.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22120021022111 its reverse (11122012002122), we get a palindrome (33242033024233).

The spelling of 22120021022111 in words is "twenty-two trillion, one hundred twenty billion, twenty-one million, twenty-two thousand, one hundred eleven".