211212310104131 has 8 divisors (see below), whose sum is σ = 249709135098720. Its totient is φ = 174796394568768.

The previous prime is 211212310104071. The next prime is 211212310104137. The reversal of 211212310104131 is 131401013212112.

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

It is a de Polignac number, because none of the positive numbers 2^k-211212310104131 is a prime.

It is a super-2 number, since 2×211212310104131² (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 = 211212310104097 and 211212310104106.

It is not an unprimeable number, because it can be changed into a prime (211212310104137) 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 7 ways as a sum of consecutive naturals, for example, 520227364586 + ... + 520227364991.

It is an arithmetic number, because the mean of its divisors is an integer number (31213641887340).

Almost surely, 2^{211212310104131} is an apocalyptic number.

211212310104131 is a deficient number, since it is larger than the sum of its proper divisors (38496824994589).

211212310104131 is a wasteful number, since it uses less digits than its factorization.

211212310104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040454729613.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 211212310104131 its reverse (131401013212112), we get a palindrome (342613323316243).

The spelling of 211212310104131 in words is "two hundred eleven trillion, two hundred twelve billion, three hundred ten million, one hundred four thousand, one hundred thirty-one".