122211983 has 2 divisors, whose sum is σ = 122211984. Its totient is φ = 122211982.

The previous prime is 122211979. The next prime is 122211989. The reversal of 122211983 is 389112221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122211983 - 2² = 122211979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122211989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105991 + 61105992.

It is an arithmetic number, because the mean of its divisors is an integer number (61105992).

Almost surely, 2^122211983 is an apocalyptic number.

122211983 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211983 is an equidigital number, since it uses as much as digits as its factorization.

122211983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 122211983 is about 11054.9528719032. The cubic root of 122211983 is about 496.2546588907.

The spelling of 122211983 in words is "one hundred twenty-two million, two hundred eleven thousand, nine hundred eighty-three".