121001322997 has 2 divisors, whose sum is σ = 121001322998. Its totient is φ = 121001322996.

The previous prime is 121001322983. The next prime is 121001323019. The reversal of 121001322997 is 799223100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60897407076 + 60103915921 = 246774^2 + 245161^2 .

It is an emirp because it is prime and its reverse (799223100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121001322997 - 2²⁷ = 120867105269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001122997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500661498 + 60500661499.

It is an arithmetic number, because the mean of its divisors is an integer number (60500661499).

Almost surely, 2^121001322997 is an apocalyptic number.

It is an amenable number.

121001322997 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001322997 is an equidigital number, since it uses as much as digits as its factorization.

121001322997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 121001322997 in words is "one hundred twenty-one billion, one million, three hundred twenty-two thousand, nine hundred ninety-seven".