122221121209975 has 24 divisors (see below), whose sum is σ = 157492988553600. Its totient is φ = 93987751056000.

The previous prime is 122221121209973. The next prime is 122221121210039. The reversal of 122221121209975 is 579902121122221.

It is not a de Polignac number, because 122221121209975 - 2¹ = 122221121209973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221121209973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529094836 + ... + 529325785.

It is an arithmetic number, because the mean of its divisors is an integer number (6562207856400).

Almost surely, 2^{122221121209975} is an apocalyptic number.

122221121209975 is a deficient number, since it is larger than the sum of its proper divisors (35271867343625).

122221121209975 is a wasteful number, since it uses less digits than its factorization.

122221121209975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058420811 (or 1058420806 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 122221121209975 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred nine thousand, nine hundred seventy-five".