22001120401979 has 2 divisors, whose sum is σ = 22001120401980. Its totient is φ = 22001120401978.

The previous prime is 22001120401937. The next prime is 22001120402017. The reversal of 22001120401979 is 97910402110022.

It is an a-pointer prime, because the next prime (22001120402017) can be obtained adding 22001120401979 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22001120401979 is a prime.

It is not a weakly prime, because it can be changed into another prime (22001120401679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000560200989 + 11000560200990.

It is an arithmetic number, because the mean of its divisors is an integer number (11000560200990).

Almost surely, 2^{22001120401979} is an apocalyptic number.

22001120401979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001120401979 is an equidigital number, since it uses as much as digits as its factorization.

22001120401979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 22001120401979 in words is "twenty-two trillion, one billion, one hundred twenty million, four hundred one thousand, nine hundred seventy-nine".