22001120001979 has 2 divisors, whose sum is σ = 22001120001980. Its totient is φ = 22001120001978.

The previous prime is 22001120001967. The next prime is 22001120002009. The reversal of 22001120001979 is 97910002110022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001120001979 - 2²¹ = 22001117904827 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001120401979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000560000989 + 11000560000990.

It is an arithmetic number, because the mean of its divisors is an integer number (11000560000990).

Almost surely, 2^{22001120001979} is an apocalyptic number.

22001120001979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001120001979 is an equidigital number, since it uses as much as digits as its factorization.

22001120001979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 22001120001979 in words is "twenty-two trillion, one billion, one hundred twenty million, one thousand, nine hundred seventy-nine".