102121110124 has 12 divisors (see below), whose sum is σ = 194958483048. Its totient is φ = 46418686400.

The previous prime is 102121110109. The next prime is 102121110127. The reversal of 102121110124 is 421011121201.

It is a super-2 number, since 2×102121110124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102121110098 and 102121110107.

It is not an unprimeable number, because it can be changed into a prime (102121110127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160467117 + ... + 1160467204.

It is an arithmetic number, because the mean of its divisors is an integer number (16246540254).

Almost surely, 2^102121110124 is an apocalyptic number.

It is an amenable number.

102121110124 is a deficient number, since it is larger than the sum of its proper divisors (92837372924).

102121110124 is a wasteful number, since it uses less digits than its factorization.

102121110124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320934336 (or 2320934334 counting only the distinct ones).

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

Adding to 102121110124 its reverse (421011121201), we get a palindrome (523132231325).

The spelling of 102121110124 in words is "one hundred two billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty-four".