121102310040 has 64 divisors (see below), whose sum is σ = 363335902560. Its totient is φ = 32291374080.

The previous prime is 121102310023. The next prime is 121102310041. The reversal of 121102310040 is 40013201121.

121102310040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102310041) 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, 1832452 + ... + 1897388.

Almost surely, 2^121102310040 is an apocalyptic number.

121102310040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102310040 is an abundant number, since it is smaller than the sum of its proper divisors (242233592520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102310040 is a wasteful number, since it uses less digits than its factorization.

121102310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80492 (or 80488 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121102310040 its reverse (40013201121), we get a palindrome (161115511161).

The spelling of 121102310040 in words is "one hundred twenty-one billion, one hundred two million, three hundred ten thousand, forty".