212202102019931 has 2 divisors, whose sum is σ = 212202102019932. Its totient is φ = 212202102019930.

The previous prime is 212202102019891. The next prime is 212202102020059. The reversal of 212202102019931 is 139910201202212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212202102019931 - 2⁶ = 212202102019867 is a prime.

It is a super-2 number, since 2×212202102019931² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212202102019891 and 212202102019900.

It is not a weakly prime, because it can be changed into another prime (212202102019031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101051009965 + 106101051009966.

It is an arithmetic number, because the mean of its divisors is an integer number (106101051009966).

Almost surely, 2^{212202102019931} is an apocalyptic number.

212202102019931 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202102019931 is an equidigital number, since it uses as much as digits as its factorization.

212202102019931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 212202102019931 in words is "two hundred twelve trillion, two hundred two billion, one hundred two million, nineteen thousand, nine hundred thirty-one".