122211013 has 4 divisors (see below), whose sum is σ = 123353280. Its totient is φ = 121068748.

The previous prime is 122210947. The next prime is 122211049. The reversal of 122211013 is 310112221.

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: 310112221 = 617 ⋅502613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122211013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122210984 and 122211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122211053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570973 + ... + 571186.

It is an arithmetic number, because the mean of its divisors is an integer number (30838320).

Almost surely, 2^122211013 is an apocalyptic number.

It is an amenable number.

122211013 is a deficient number, since it is larger than the sum of its proper divisors (1142267).

122211013 is a wasteful number, since it uses less digits than its factorization.

122211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142266.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122211013 is about 11054.9090000777. The cubic root of 122211013 is about 496.2533459581.

Adding to 122211013 its reverse (310112221), we get a palindrome (432323234).

The spelling of 122211013 in words is "one hundred twenty-two million, two hundred eleven thousand, thirteen".