122121330031 has 4 divisors (see below), whose sum is σ = 122419915600. Its totient is φ = 121822744464.

The previous prime is 122121330029. The next prime is 122121330103. The reversal of 122121330031 is 130033121221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130033121221 = 1453 ⋅89492857.

It is a cyclic number.

It is not a de Polignac number, because 122121330031 - 2¹ = 122121330029 is a prime.

It is a super-2 number, since 2×122121330031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122121329990 and 122121330008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121330011) 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, 149292171 + ... + 149292988.

It is an arithmetic number, because the mean of its divisors is an integer number (30604978900).

Almost surely, 2^122121330031 is an apocalyptic number.

122121330031 is a deficient number, since it is larger than the sum of its proper divisors (298585569).

122121330031 is an equidigital number, since it uses as much as digits as its factorization.

122121330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298585568.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 122121330031 its reverse (130033121221), we get a palindrome (252154451252).

The spelling of 122121330031 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, thirty-one".