122221128107 has 8 divisors (see below), whose sum is σ = 138550266960. Its totient is φ = 106881634080.

The previous prime is 122221128101. The next prime is 122221128109. The reversal of 122221128107 is 701821122221.

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

It is not a de Polignac number, because 122221128107 - 2³⁴ = 105041258923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122221128107.

It is not an unprimeable number, because it can be changed into a prime (122221128101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247410944 + ... + 247411437.

It is an arithmetic number, because the mean of its divisors is an integer number (17318783370).

Almost surely, 2^122221128107 is an apocalyptic number.

122221128107 is a deficient number, since it is larger than the sum of its proper divisors (16329138853).

122221128107 is a wasteful number, since it uses less digits than its factorization.

122221128107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494822413.

The product of its (nonzero) digits is 1792, while the sum is 29.

The spelling of 122221128107 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-eight thousand, one hundred seven".