121113202124 has 12 divisors (see below), whose sum is σ = 211990809744. Its totient is φ = 60544399344.

The previous prime is 121113202123. The next prime is 121113202141. The reversal of 121113202124 is 421202311121.

It is a super-2 number, since 2×121113202124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121113202096 and 121113202105.

It is not an unprimeable number, because it can be changed into a prime (121113202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028079 + ... + 3067814.

It is an arithmetic number, because the mean of its divisors is an integer number (17665900812).

Almost surely, 2^121113202124 is an apocalyptic number.

It is an amenable number.

121113202124 is a deficient number, since it is larger than the sum of its proper divisors (90877607620).

121113202124 is a wasteful number, since it uses less digits than its factorization.

121113202124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100864 (or 6100862 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121113202124 its reverse (421202311121), we get a palindrome (542315513245).

The spelling of 121113202124 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred twenty-four".