101111231213 has 4 divisors (see below), whose sum is σ = 101112567360. Its totient is φ = 101109895068.

The previous prime is 101111231173. The next prime is 101111231233. The reversal of 101111231213 is 312132111101.

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.

It is a cyclic number.

It is not a de Polignac number, because 101111231213 - 2¹⁴ = 101111214829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111231191 and 101111231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111231233) 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, 547283 + ... + 708336.

It is an arithmetic number, because the mean of its divisors is an integer number (25278141840).

Almost surely, 2^101111231213 is an apocalyptic number.

It is an amenable number.

101111231213 is a deficient number, since it is larger than the sum of its proper divisors (1336147).

101111231213 is an equidigital number, since it uses as much as digits as its factorization.

101111231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336146.

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

Adding to 101111231213 its reverse (312132111101), we get a palindrome (413243342314).

The spelling of 101111231213 in words is "one hundred one billion, one hundred eleven million, two hundred thirty-one thousand, two hundred thirteen".