101212113131 has 6 divisors (see below), whose sum is σ = 102509502732. Its totient is φ = 99930940980.

The previous prime is 101212113113. The next prime is 101212113151. The reversal of 101212113131 is 131311212101.

It is not a de Polignac number, because 101212113131 - 2²⁶ = 101145004267 is a prime.

It is a super-2 number, since 2×101212113131² (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 (101212113151) 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 5 ways as a sum of consecutive naturals, for example, 8102405 + ... + 8114886.

It is an arithmetic number, because the mean of its divisors is an integer number (17084917122).

Almost surely, 2^101212113131 is an apocalyptic number.

101212113131 is a deficient number, since it is larger than the sum of its proper divisors (1297389601).

101212113131 is an frugal number, since it uses more digits than its factorization.

101212113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16217449 (or 16217370 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 101212113131 its reverse (131311212101), we get a palindrome (232523325232).

The spelling of 101212113131 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, one hundred thirty-one".