122221121331 has 8 divisors (see below), whose sum is σ = 170046777600. Its totient is φ = 77938106312.

The previous prime is 122221121299. The next prime is 122221121357. The reversal of 122221121331 is 133121122221.

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

It is a cyclic number.

It is not a de Polignac number, because 122221121331 - 2⁵ = 122221121299 is a prime.

It is a super-2 number, since 2×122221121331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221121298 and 122221121307.

It is not an unprimeable number, because it can be changed into a prime (122221121131) 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, 885660231 + ... + 885660368.

It is an arithmetic number, because the mean of its divisors is an integer number (21255847200).

Almost surely, 2^122221121331 is an apocalyptic number.

122221121331 is a deficient number, since it is larger than the sum of its proper divisors (47825656269).

122221121331 is a wasteful number, since it uses less digits than its factorization.

122221121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771320625.

The product of its digits is 288, while the sum is 21.

Adding to 122221121331 its reverse (133121122221), we get a palindrome (255342243552).

The spelling of 122221121331 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-one".