101311211213 has 4 divisors (see below), whose sum is σ = 101407607328. Its totient is φ = 101214815100.

The previous prime is 101311211201. The next prime is 101311211231. The reversal of 101311211213 is 312112113101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312112113101 = 349 ⋅894304049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101311211213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101311211191 and 101311211200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101311211263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48196481 + ... + 48198582.

It is an arithmetic number, because the mean of its divisors is an integer number (25351901832).

Almost surely, 2^101311211213 is an apocalyptic number.

It is an amenable number.

101311211213 is a deficient number, since it is larger than the sum of its proper divisors (96396115).

101311211213 is an equidigital number, since it uses as much as digits as its factorization.

101311211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96396114.

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

Adding to 101311211213 its reverse (312112113101), we get a palindrome (413423324314).

The spelling of 101311211213 in words is "one hundred one billion, three hundred eleven million, two hundred eleven thousand, two hundred thirteen".