102221221012037 has 2 divisors, whose sum is σ = 102221221012038. Its totient is φ = 102221221012036.

The previous prime is 102221221012021. The next prime is 102221221012039. The reversal of 102221221012037 is 730210122122201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91666090726081 + 10555130285956 = 9574241^2 + 3248866^2 .

It is a cyclic number.

It is not a de Polignac number, because 102221221012037 - 2⁴ = 102221221012021 is a prime.

Together with 102221221012039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102221221011997 and 102221221012015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102221221012039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110610506018 + 51110610506019.

It is an arithmetic number, because the mean of its divisors is an integer number (51110610506019).

Almost surely, 2^{102221221012037} is an apocalyptic number.

It is an amenable number.

102221221012037 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221221012037 is an equidigital number, since it uses as much as digits as its factorization.

102221221012037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 102221221012037 its reverse (730210122122201), we get a palindrome (832431343134238).

The spelling of 102221221012037 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, twelve thousand, thirty-seven".