212210110102031 has 2 divisors, whose sum is σ = 212210110102032. Its totient is φ = 212210110102030.

The previous prime is 212210110101989. The next prime is 212210110102099. The reversal of 212210110102031 is 130201011012212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212210110102031 - 2⁶ = 212210110101967 is a prime.

It is a super-2 number, since 2×212210110102031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212210110102831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105055051015 + 106105055051016.

It is an arithmetic number, because the mean of its divisors is an integer number (106105055051016).

Almost surely, 2^{212210110102031} is an apocalyptic number.

212210110102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

212210110102031 is an equidigital number, since it uses as much as digits as its factorization.

212210110102031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212210110102031 its reverse (130201011012212), we get a palindrome (342411121114243).

The spelling of 212210110102031 in words is "two hundred twelve trillion, two hundred ten billion, one hundred ten million, one hundred two thousand, thirty-one".