121132110110 has 64 divisors (see below), whose sum is σ = 244073088000. Its totient is φ = 42900998400.

The previous prime is 121132110107. The next prime is 121132110139. The reversal of 121132110110 is 11011231121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2679071 + ... + 2723909.

It is an arithmetic number, because the mean of its divisors is an integer number (3813642000).

Almost surely, 2^121132110110 is an apocalyptic number.

121132110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121132110110 is an abundant number, since it is smaller than the sum of its proper divisors (122940977890).

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

121132110110 is a wasteful number, since it uses less digits than its factorization.

121132110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45497.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121132110110 its reverse (11011231121), we get a palindrome (132143341231).

The spelling of 121132110110 in words is "one hundred twenty-one billion, one hundred thirty-two million, one hundred ten thousand, one hundred ten".