122221653375 has 16 divisors (see below), whose sum is σ = 203376831840. Its totient is φ = 65184881600.

The previous prime is 122221653347. The next prime is 122221653383. The reversal of 122221653375 is 573356122221.

It is not a de Polignac number, because 122221653375 - 2⁶ = 122221653311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162961830 + ... + 162962579.

It is an arithmetic number, because the mean of its divisors is an integer number (12711051990).

Almost surely, 2^122221653375 is an apocalyptic number.

122221653375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122221653375 is a deficient number, since it is larger than the sum of its proper divisors (81155178465).

122221653375 is an equidigital number, since it uses as much as digits as its factorization.

122221653375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325924427 (or 325924417 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

Adding to 122221653375 its reverse (573356122221), we get a palindrome (695577775596).

The spelling of 122221653375 in words is "one hundred twenty-two billion, two hundred twenty-one million, six hundred fifty-three thousand, three hundred seventy-five".