102210012021973 has 2 divisors, whose sum is σ = 102210012021974. Its totient is φ = 102210012021972.

The previous prime is 102210012021919. The next prime is 102210012022009. The reversal of 102210012021973 is 379120210012201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70823552042929 + 31386459979044 = 8415673^2 + 5602362^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210012021973 - 2²¹ = 102210009924821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102210012031973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105006010986 + 51105006010987.

It is an arithmetic number, because the mean of its divisors is an integer number (51105006010987).

Almost surely, 2^{102210012021973} is an apocalyptic number.

It is an amenable number.

102210012021973 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210012021973 is an equidigital number, since it uses as much as digits as its factorization.

102210012021973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 102210012021973 in words is "one hundred two trillion, two hundred ten billion, twelve million, twenty-one thousand, nine hundred seventy-three".