102220012331993 has 2 divisors, whose sum is σ = 102220012331994. Its totient is φ = 102220012331992.

The previous prime is 102220012331971. The next prime is 102220012332013. The reversal of 102220012331993 is 399133210022201.

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., 65492570191504 + 36727442140489 = 8092748^2 + 6060317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220012331993 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220012331903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110006165996 + 51110006165997.

It is an arithmetic number, because the mean of its divisors is an integer number (51110006165997).

Almost surely, 2^{102220012331993} is an apocalyptic number.

It is an amenable number.

102220012331993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220012331993 is an equidigital number, since it uses as much as digits as its factorization.

102220012331993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 102220012331993 in words is "one hundred two trillion, two hundred twenty billion, twelve million, three hundred thirty-one thousand, nine hundred ninety-three".