121130232213 has 16 divisors (see below), whose sum is σ = 162295128576. Its totient is φ = 80360340720.

The previous prime is 121130232203. The next prime is 121130232221. The reversal of 121130232213 is 312232031121.

It is a de Polignac number, because none of the positive numbers 2^k-121130232213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121130232213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130232203) 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, 407958 + ... + 639288.

It is an arithmetic number, because the mean of its divisors is an integer number (10143445536).

Almost surely, 2^121130232213 is an apocalyptic number.

It is an amenable number.

121130232213 is a deficient number, since it is larger than the sum of its proper divisors (41164896363).

121130232213 is a wasteful number, since it uses less digits than its factorization.

121130232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232184.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121130232213 its reverse (312232031121), we get a palindrome (433362263334).

The spelling of 121130232213 in words is "one hundred twenty-one billion, one hundred thirty million, two hundred thirty-two thousand, two hundred thirteen".