101212203131 has 8 divisors (see below), whose sum is σ = 109006391760. Its totient is φ = 93419248032.

The previous prime is 101212203061. The next prime is 101212203137. The reversal of 101212203131 is 131302212101.

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 101212203131 - 2¹⁰ = 101212202107 is a prime.

It is a super-2 number, since 2×101212203131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101212203137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134321 + ... + 469538.

It is an arithmetic number, because the mean of its divisors is an integer number (13625798970).

Almost surely, 2^101212203131 is an apocalyptic number.

101212203131 is a deficient number, since it is larger than the sum of its proper divisors (7794188629).

101212203131 is a wasteful number, since it uses less digits than its factorization.

101212203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616765.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101212203131 its reverse (131302212101), we get a palindrome (232514415232).

The spelling of 101212203131 in words is "one hundred one billion, two hundred twelve million, two hundred three thousand, one hundred thirty-one".