122133021331 has 4 divisors (see below), whose sum is σ = 124203072600. Its totient is φ = 120062970064.

The previous prime is 122133021323. The next prime is 122133021347. The reversal of 122133021331 is 133120331221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133120331221 = 29 ⋅4590356249.

It is a cyclic number.

It is not a de Polignac number, because 122133021331 - 2³ = 122133021323 is a prime.

It is a super-2 number, since 2×122133021331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122133021301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035025546 + ... + 1035025663.

It is an arithmetic number, because the mean of its divisors is an integer number (31050768150).

Almost surely, 2^122133021331 is an apocalyptic number.

122133021331 is a deficient number, since it is larger than the sum of its proper divisors (2070051269).

122133021331 is an equidigital number, since it uses as much as digits as its factorization.

122133021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070051268.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 122133021331 its reverse (133120331221), we get a palindrome (255253352552).

The spelling of 122133021331 in words is "one hundred twenty-two billion, one hundred thirty-three million, twenty-one thousand, three hundred thirty-one".