122221651098961 has 4 divisors (see below), whose sum is σ = 122222261422192. Its totient is φ = 122221040775732.

The previous prime is 122221651098931. The next prime is 122221651098977. The reversal of 122221651098961 is 169890156122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122221651098961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122221651098931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304861131 + ... + 305261776.

It is an arithmetic number, because the mean of its divisors is an integer number (30555565355548).

Almost surely, 2^{122221651098961} is an apocalyptic number.

It is an amenable number.

122221651098961 is a deficient number, since it is larger than the sum of its proper divisors (610323231).

122221651098961 is an equidigital number, since it uses as much as digits as its factorization.

122221651098961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610323230.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 122221651098961 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, six hundred fifty-one million, ninety-eight thousand, nine hundred sixty-one".