122021211149 has 2 divisors, whose sum is σ = 122021211150. Its totient is φ = 122021211148.

The previous prime is 122021211119. The next prime is 122021211163. The reversal of 122021211149 is 941112120221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97471962025 + 24549249124 = 312205^2 + 156682^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021211149 - 2¹⁶ = 122021145613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122021211119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010605574 + 61010605575.

It is an arithmetic number, because the mean of its divisors is an integer number (61010605575).

Almost surely, 2^122021211149 is an apocalyptic number.

It is an amenable number.

122021211149 is a deficient number, since it is larger than the sum of its proper divisors (1).

122021211149 is an equidigital number, since it uses as much as digits as its factorization.

122021211149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 122021211149 in words is "one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, one hundred forty-nine".