210210100979 has 2 divisors, whose sum is σ = 210210100980. Its totient is φ = 210210100978.

The previous prime is 210210100973. The next prime is 210210101011. The reversal of 210210100979 is 979001012012.

It is an a-pointer prime, because the next prime (210210101011) can be obtained adding 210210100979 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210210100979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (210210100973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105050489 + 105105050490.

It is an arithmetic number, because the mean of its divisors is an integer number (105105050490).

Almost surely, 2^210210100979 is an apocalyptic number.

210210100979 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210100979 is an equidigital number, since it uses as much as digits as its factorization.

210210100979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 210210100979 in words is "two hundred ten billion, two hundred ten million, one hundred thousand, nine hundred seventy-nine".