102212121983 has 2 divisors, whose sum is σ = 102212121984. Its totient is φ = 102212121982.

The previous prime is 102212121943. The next prime is 102212122021. The reversal of 102212121983 is 389121212201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102212121983 - 2⁶ = 102212121919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212121943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106060991 + 51106060992.

It is an arithmetic number, because the mean of its divisors is an integer number (51106060992).

Almost surely, 2^102212121983 is an apocalyptic number.

102212121983 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212121983 is an equidigital number, since it uses as much as digits as its factorization.

102212121983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

It can be divided in two parts, 10221212198 and 3, that added together give a palindrome (10221212201).

The spelling of 102212121983 in words is "one hundred two billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-three".