101121322013 has 4 divisors (see below), whose sum is σ = 101143468320. Its totient is φ = 101099175708.

The previous prime is 101121321967. The next prime is 101121322039. The reversal of 101121322013 is 310223121101.

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 101121322013 - 2⁸ = 101121321757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101121321982 and 101121322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121322213) 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, 11066303 + ... + 11075436.

It is an arithmetic number, because the mean of its divisors is an integer number (25285867080).

Almost surely, 2^101121322013 is an apocalyptic number.

It is an amenable number.

101121322013 is a deficient number, since it is larger than the sum of its proper divisors (22146307).

101121322013 is an equidigital number, since it uses as much as digits as its factorization.

101121322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22146306.

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

Adding to 101121322013 its reverse (310223121101), we get a palindrome (411344443114).

The spelling of 101121322013 in words is "one hundred one billion, one hundred twenty-one million, three hundred twenty-two thousand, thirteen".