102222020211121 has 2 divisors, whose sum is σ = 102222020211122. Its totient is φ = 102222020211120.

The previous prime is 102222020211079. The next prime is 102222020211133. The reversal of 102222020211121 is 121112020222201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53219724184225 + 49002296026896 = 7295185^2 + 7000164^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222020211121 - 2¹⁷ = 102222020080049 is a prime.

It is not a weakly prime, because it can be changed into another prime (102222020611121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111010105560 + 51111010105561.

It is an arithmetic number, because the mean of its divisors is an integer number (51111010105561).

Almost surely, 2^{102222020211121} is an apocalyptic number.

It is an amenable number.

102222020211121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222020211121 is an equidigital number, since it uses as much as digits as its factorization.

102222020211121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102222020211121 its reverse (121112020222201), we get a palindrome (223334040433322).

The spelling of 102222020211121 in words is "one hundred two trillion, two hundred twenty-two billion, twenty million, two hundred eleven thousand, one hundred twenty-one".