121133210313 has 16 divisors (see below), whose sum is σ = 168595397696. Its totient is φ = 77284808640.

The previous prime is 121133210311. The next prime is 121133210333. The reversal of 121133210313 is 313012331121.

It is a happy number.

It is not a de Polignac number, because 121133210313 - 2¹ = 121133210311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121133210313.

It is not an unprimeable number, because it can be changed into a prime (121133210311) 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, 8938231 + ... + 8951772.

It is an arithmetic number, because the mean of its divisors is an integer number (10537212356).

Almost surely, 2^121133210313 is an apocalyptic number.

It is an amenable number.

121133210313 is a deficient number, since it is larger than the sum of its proper divisors (47462187383).

121133210313 is a wasteful number, since it uses less digits than its factorization.

121133210313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17890104.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121133210313 its reverse (313012331121), we get a palindrome (434145541434).

The spelling of 121133210313 in words is "one hundred twenty-one billion, one hundred thirty-three million, two hundred ten thousand, three hundred thirteen".