211012211983 has 2 divisors, whose sum is σ = 211012211984. Its totient is φ = 211012211982.

The previous prime is 211012211923. The next prime is 211012212041. The reversal of 211012211983 is 389112210112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211012211983 - 2²¹ = 211010114831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211012211923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506105991 + 105506105992.

It is an arithmetic number, because the mean of its divisors is an integer number (105506105992).

Almost surely, 2^211012211983 is an apocalyptic number.

211012211983 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012211983 is an equidigital number, since it uses as much as digits as its factorization.

211012211983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 211012211983 in words is "two hundred eleven billion, twelve million, two hundred eleven thousand, nine hundred eighty-three".