102202012020149 has 2 divisors, whose sum is σ = 102202012020150. Its totient is φ = 102202012020148.

The previous prime is 102202012020127. The next prime is 102202012020197. The reversal of 102202012020149 is 941020210202201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54504894204049 + 47697117816100 = 7382743^2 + 6906310^2 .

It is an emirp because it is prime and its reverse (941020210202201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102202012020149 - 2²⁰ = 102202010971573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202012020749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101006010074 + 51101006010075.

It is an arithmetic number, because the mean of its divisors is an integer number (51101006010075).

Almost surely, 2^{102202012020149} is an apocalyptic number.

It is an amenable number.

102202012020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202012020149 is an equidigital number, since it uses as much as digits as its factorization.

102202012020149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 102202012020149 in words is "one hundred two trillion, two hundred two billion, twelve million, twenty thousand, one hundred forty-nine".