102201102111973 has 2 divisors, whose sum is σ = 102201102111974. Its totient is φ = 102201102111972.

The previous prime is 102201102111961. The next prime is 102201102112111. The reversal of 102201102111973 is 379111201102201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68221272986689 + 33979829125284 = 8259617^2 + 5829222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102201102111973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102201102181973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100551055986 + 51100551055987.

It is an arithmetic number, because the mean of its divisors is an integer number (51100551055987).

Almost surely, 2^{102201102111973} is an apocalyptic number.

It is an amenable number.

102201102111973 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201102111973 is an equidigital number, since it uses as much as digits as its factorization.

102201102111973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 102201102111973 in words is "one hundred two trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, nine hundred seventy-three".