122162471221 has 8 divisors (see below), whose sum is σ = 139635178560. Its totient is φ = 104694995328.

The previous prime is 122162471201. The next prime is 122162471227. The reversal of 122162471221 is 122174261221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-122162471221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122162471227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257691 + ... + 1351336.

It is an arithmetic number, because the mean of its divisors is an integer number (17454397320).

Almost surely, 2^122162471221 is an apocalyptic number.

It is an amenable number.

122162471221 is a deficient number, since it is larger than the sum of its proper divisors (17472707339).

122162471221 is an equidigital number, since it uses as much as digits as its factorization.

122162471221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615723.

The product of its digits is 5376, while the sum is 31.

The spelling of 122162471221 in words is "one hundred twenty-two billion, one hundred sixty-two million, four hundred seventy-one thousand, two hundred twenty-one".