122221110399 has 32 divisors (see below), whose sum is σ = 172239955200. Its totient is φ = 76877222400.

The previous prime is 122221110397. The next prime is 122221110433. The reversal of 122221110399 is 993011122221.

It is not a de Polignac number, because 122221110399 - 2¹ = 122221110397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221110397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15607417 + ... + 15615245.

It is an arithmetic number, because the mean of its divisors is an integer number (5382498600).

Almost surely, 2^122221110399 is an apocalyptic number.

122221110399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122221110399 is a deficient number, since it is larger than the sum of its proper divisors (50018844801).

122221110399 is a wasteful number, since it uses less digits than its factorization.

122221110399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 122221110399 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred ten thousand, three hundred ninety-nine".