22111022101121 has 2 divisors, whose sum is σ = 22111022101122. Its totient is φ = 22111022101120.

The previous prime is 22111022101067. The next prime is 22111022101127. The reversal of 22111022101121 is 12110122011122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19585147611121 + 2525874490000 = 4425511^2 + 1589300^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111022101121 - 2³⁸ = 21836144194177 is a prime.

It is a super-2 number, since 2×22111022101121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22111022101121.

It is not a weakly prime, because it can be changed into another prime (22111022101127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055511050560 + 11055511050561.

It is an arithmetic number, because the mean of its divisors is an integer number (11055511050561).

Almost surely, 2^{22111022101121} is an apocalyptic number.

It is an amenable number.

22111022101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111022101121 is an equidigital number, since it uses as much as digits as its factorization.

22111022101121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111022101121 its reverse (12110122011122), we get a palindrome (34221144112243).

The spelling of 22111022101121 in words is "twenty-two trillion, one hundred eleven billion, twenty-two million, one hundred one thousand, one hundred twenty-one".