121131013433 has 8 divisors (see below), whose sum is σ = 121994644200. Its totient is φ = 120270366720.

The previous prime is 121131013417. The next prime is 121131013453. The reversal of 121131013433 is 334310131121.

It can be written as a sum of positive squares in 4 ways, for example, as 7640857744 + 113490155689 = 87412^2 + 336883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121131013433 - 2⁴ = 121131013417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121131013399 and 121131013408.

It is not an unprimeable number, because it can be changed into a prime (121131013403) 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, 664508 + ... + 826941.

It is an arithmetic number, because the mean of its divisors is an integer number (15249330525).

Almost surely, 2^121131013433 is an apocalyptic number.

It is an amenable number.

121131013433 is a deficient number, since it is larger than the sum of its proper divisors (863630767).

121131013433 is a wasteful number, since it uses less digits than its factorization.

121131013433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492027.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121131013433 its reverse (334310131121), we get a palindrome (455441144554).

The spelling of 121131013433 in words is "one hundred twenty-one billion, one hundred thirty-one million, thirteen thousand, four hundred thirty-three".