121967500110 has 32 divisors (see below), whose sum is σ = 309940942752. Its totient is φ = 30611450880.

The previous prime is 121967500073. The next prime is 121967500133. The reversal of 121967500110 is 11005769121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119575471 + ... + 119576490.

It is an arithmetic number, because the mean of its divisors is an integer number (9685654461).

Almost surely, 2^121967500110 is an apocalyptic number.

121967500110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121967500110 is an abundant number, since it is smaller than the sum of its proper divisors (187973442642).

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

121967500110 is a wasteful number, since it uses less digits than its factorization.

121967500110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239151988.

The product of its (nonzero) digits is 3780, while the sum is 33.

The spelling of 121967500110 in words is "one hundred twenty-one billion, nine hundred sixty-seven million, five hundred thousand, one hundred ten".