122201021001979 has 2 divisors, whose sum is σ = 122201021001980. Its totient is φ = 122201021001978.

The previous prime is 122201021001967. The next prime is 122201021002031. The reversal of 122201021001979 is 979100120102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122201021001979 - 2¹³ = 122201020993787 is a prime.

It is a super-2 number, since 2×122201021001979² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122201021001949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100510500989 + 61100510500990.

It is an arithmetic number, because the mean of its divisors is an integer number (61100510500990).

Almost surely, 2^{122201021001979} is an apocalyptic number.

122201021001979 is a deficient number, since it is larger than the sum of its proper divisors (1).

122201021001979 is an equidigital number, since it uses as much as digits as its factorization.

122201021001979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 122201021001979 in words is "one hundred twenty-two trillion, two hundred one billion, twenty-one million, one thousand, nine hundred seventy-nine".