101011321213 has 16 divisors (see below), whose sum is σ = 116012183040. Its totient is φ = 86981655600.

The previous prime is 101011321211. The next prime is 101011321231. The reversal of 101011321213 is 312123110101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101011321213 - 2¹ = 101011321211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011321211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421418 + ... + 1490788.

It is an arithmetic number, because the mean of its divisors is an integer number (7250761440).

Almost surely, 2^101011321213 is an apocalyptic number.

It is an amenable number.

101011321213 is a deficient number, since it is larger than the sum of its proper divisors (15000861827).

101011321213 is a wasteful number, since it uses less digits than its factorization.

101011321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76368.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101011321213 its reverse (312123110101), we get a palindrome (413134431314).

It can be divided in two parts, 101011 and 321213, that added together give a palindrome (422224).

The spelling of 101011321213 in words is "one hundred one billion, eleven million, three hundred twenty-one thousand, two hundred thirteen".