121113310331331 has 12 divisors (see below), whose sum is σ = 174942903028608. Its totient is φ = 80741535454224.

The previous prime is 121113310331329. The next prime is 121113310331357. The reversal of 121113310331331 is 133133013311121.

121113310331331 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 3 + 310 + 3 + 313 + 31 = 666.

It is not a de Polignac number, because 121113310331331 - 2¹ = 121113310331329 is a prime.

It is a super-2 number, since 2×121113310331331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121113310331295 and 121113310331304.

It is not an unprimeable number, because it can be changed into a prime (121113310331311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54809140 + ... + 56976033.

It is an arithmetic number, because the mean of its divisors is an integer number (14578575252384).

Almost surely, 2^{121113310331331} is an apocalyptic number.

121113310331331 is a deficient number, since it is larger than the sum of its proper divisors (53829592697277).

121113310331331 is a wasteful number, since it uses less digits than its factorization.

121113310331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111905562 (or 111905559 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

Adding to 121113310331331 its reverse (133133013311121), we get a palindrome (254246323642452).

The spelling of 121113310331331 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred ten million, three hundred thirty-one thousand, three hundred thirty-one".