101212122213 has 24 divisors (see below), whose sum is σ = 152395542208. Its totient is φ = 67125106944.

The previous prime is 101212122149. The next prime is 101212122251. The reversal of 101212122213 is 312221212101.

It is not a de Polignac number, because 101212122213 - 2⁶ = 101212122149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212122283) 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 in 23 ways as a sum of consecutive naturals, for example, 1032145 + ... + 1125942.

Almost surely, 2^101212122213 is an apocalyptic number.

It is an amenable number.

101212122213 is a deficient number, since it is larger than the sum of its proper divisors (51183419995).

101212122213 is an equidigital number, since it uses as much as digits as its factorization.

101212122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158295 (or 2158283 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101212122213 its reverse (312221212101), we get a palindrome (413433334314).

The spelling of 101212122213 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, two hundred thirteen".