121222121330131 has 16 divisors (see below), whose sum is σ = 124568450657280. Its totient is φ = 117879485349600.

The previous prime is 121222121330111. The next prime is 121222121330159. The reversal of 121222121330131 is 131033121222121.

It is a cyclic number.

It is not a de Polignac number, because 121222121330131 - 2¹⁵ = 121222121297363 is a prime.

It is a super-2 number, since 2×121222121330131² (a number of 29 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 = 121222121330096 and 121222121330105.

It is not an unprimeable number, because it can be changed into a prime (121222121330111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346556980 + ... + 2346608638.

It is an arithmetic number, because the mean of its divisors is an integer number (7785528166080).

Almost surely, 2^{121222121330131} is an apocalyptic number.

121222121330131 is a deficient number, since it is larger than the sum of its proper divisors (3346329327149).

121222121330131 is a wasteful number, since it uses less digits than its factorization.

121222121330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86154.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121222121330131 its reverse (131033121222121), we get a palindrome (252255242552252).

The spelling of 121222121330131 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".