102202012020197 has 2 divisors, whose sum is σ = 102202012020198. Its totient is φ = 102202012020196.

The previous prime is 102202012020149. The next prime is 102202012020239. The reversal of 102202012020197 is 791020210202201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99933491062276 + 2268520957921 = 9996674^2 + 1506161^2 .

It is a cyclic number.

It is not a de Polignac number, because 102202012020197 - 2¹⁶ = 102202011954661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202012020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101006010098 + 51101006010099.

It is an arithmetic number, because the mean of its divisors is an integer number (51101006010099).

Almost surely, 2^{102202012020197} is an apocalyptic number.

It is an amenable number.

102202012020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202012020197 is an equidigital number, since it uses as much as digits as its factorization.

102202012020197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 102202012020197 its reverse (791020210202201), we get a palindrome (893222222222398).

The spelling of 102202012020197 in words is "one hundred two trillion, two hundred two billion, twelve million, twenty thousand, one hundred ninety-seven".