121122233331256 has 32 divisors (see below), whose sum is σ = 229450986984240. Its totient is φ = 59935333506048.

The previous prime is 121122233331179. The next prime is 121122233331257. The reversal of 121122233331256 is 652133332221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122233331257) 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, 30769110 + ... + 34481626.

Almost surely, 2^{121122233331256} is an apocalyptic number.

It is an amenable number.

121122233331256 is a deficient number, since it is larger than the sum of its proper divisors (108328753652984).

121122233331256 is a wasteful number, since it uses less digits than its factorization.

121122233331256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754663 (or 3754659 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

Adding to 121122233331256 its reverse (652133332221121), we get a palindrome (773255565552377).

The spelling of 121122233331256 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred fifty-six".