122021113 has 4 divisors (see below), whose sum is σ = 123205888. Its totient is φ = 120836340.

The previous prime is 122021111. The next prime is 122021149. The reversal of 122021113 is 311120221.

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 122021113 - 2¹ = 122021111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122021093 and 122021102.

It is not an unprimeable number, because it can be changed into a prime (122021111) 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, 592233 + ... + 592438.

It is an arithmetic number, because the mean of its divisors is an integer number (30801472).

Almost surely, 2^122021113 is an apocalyptic number.

It is an amenable number.

122021113 is a deficient number, since it is larger than the sum of its proper divisors (1184775).

122021113 is a wasteful number, since it uses less digits than its factorization.

122021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184774.

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

The square root of 122021113 is about 11046.3167164444. The cubic root of 122021113 is about 495.9961750160.

Adding to 122021113 its reverse (311120221), we get a palindrome (433141334).

The spelling of 122021113 in words is "one hundred twenty-two million, twenty-one thousand, one hundred thirteen".