22010111007121 has 2 divisors, whose sum is σ = 22010111007122. Its totient is φ = 22010111007120.

The previous prime is 22010111007119. The next prime is 22010111007149. The reversal of 22010111007121 is 12170011101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19126312676496 + 2883798330625 = 4373364^2 + 1698175^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010111007121 - 2¹ = 22010111007119 is a prime.

It is a super-4 number, since 4×22010111007121⁴ (a number of 54 digits) contains 4444 as substring.

Together with 22010111007119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22010111007191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005055503560 + 11005055503561.

It is an arithmetic number, because the mean of its divisors is an integer number (11005055503561).

Almost surely, 2^{22010111007121} is an apocalyptic number.

It is an amenable number.

22010111007121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010111007121 is an equidigital number, since it uses as much as digits as its factorization.

22010111007121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 22010111007121 its reverse (12170011101022), we get a palindrome (34180122108143).

The spelling of 22010111007121 in words is "twenty-two trillion, ten billion, one hundred eleven million, seven thousand, one hundred twenty-one".