121101210124 has 24 divisors (see below), whose sum is σ = 216482918400. Its totient is φ = 59249504016.

The previous prime is 121101210121. The next prime is 121101210127. The reversal of 121101210124 is 421012101121.

It is an interprime number because it is at equal distance from previous prime (121101210121) and next prime (121101210127).

It is a junction number, because it is equal to n+sod(n) for n = 121101210098 and 121101210107.

It is not an unprimeable number, because it can be changed into a prime (121101210121) 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, 835099 + ... + 969325.

It is an arithmetic number, because the mean of its divisors is an integer number (9020121600).

Almost surely, 2^121101210124 is an apocalyptic number.

It is an amenable number.

121101210124 is a deficient number, since it is larger than the sum of its proper divisors (95381708276).

121101210124 is a wasteful number, since it uses less digits than its factorization.

121101210124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139077 (or 139075 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121101210124 its reverse (421012101121), we get a palindrome (542113311245).

The spelling of 121101210124 in words is "one hundred twenty-one billion, one hundred one million, two hundred ten thousand, one hundred twenty-four".