121113336253 has 8 divisors (see below), whose sum is σ = 149062567808. Its totient is φ = 95825936304.

The previous prime is 121113336247. The next prime is 121113336257. The reversal of 121113336253 is 352633311121.

It is a happy number.

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

It is not a de Polignac number, because 121113336253 - 2²⁹ = 120576465341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113336257) 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, 665457801 + ... + 665457982.

It is an arithmetic number, because the mean of its divisors is an integer number (18632820976).

Almost surely, 2^121113336253 is an apocalyptic number.

121113336253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121113336253 is a deficient number, since it is larger than the sum of its proper divisors (27949231555).

121113336253 is a wasteful number, since it uses less digits than its factorization.

121113336253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330915803.

The product of its digits is 9720, while the sum is 31.

Adding to 121113336253 its reverse (352633311121), we get a palindrome (473746647374).

The spelling of 121113336253 in words is "one hundred twenty-one billion, one hundred thirteen million, three hundred thirty-six thousand, two hundred fifty-three".