212113101202031 has 8 divisors (see below), whose sum is σ = 215708639448960. Its totient is φ = 208517576319832.

The previous prime is 212113101201949. The next prime is 212113101202033. The reversal of 212113101202031 is 130202101311212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212113101202031 - 2³⁴ = 212095921332847 is a prime.

It is a super-2 number, since 2×212113101202031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212113101201994 and 212113101202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113101202033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31771166 + ... + 37863348.

It is an arithmetic number, because the mean of its divisors is an integer number (26963579931120).

Almost surely, 2^{212113101202031} is an apocalyptic number.

212113101202031 is a deficient number, since it is larger than the sum of its proper divisors (3595538246929).

212113101202031 is an equidigital number, since it uses as much as digits as its factorization.

212113101202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682365.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 212113101202031 its reverse (130202101311212), we get a palindrome (342315202513243).

The spelling of 212113101202031 in words is "two hundred twelve trillion, one hundred thirteen billion, one hundred one million, two hundred two thousand, thirty-one".