121102100110 has 8 divisors (see below), whose sum is σ = 217983780216. Its totient is φ = 48440840040.

The previous prime is 121102100089. The next prime is 121102100143. The reversal of 121102100110 is 11001201121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 12110210011 = 121102100110 / (1 + 2 + 1 + 1 + 0 + 2 + 1 + 0 + 0 + 1 + 1 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055104996 + ... + 6055105015.

It is an arithmetic number, because the mean of its divisors is an integer number (27247972527).

Almost surely, 2^121102100110 is an apocalyptic number.

121102100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121102100110 is a deficient number, since it is larger than the sum of its proper divisors (96881680106).

121102100110 is a wasteful number, since it uses less digits than its factorization.

121102100110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110210018.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 121102100110 its reverse (11001201121), we get a palindrome (132103301231).

The spelling of 121102100110 in words is "one hundred twenty-one billion, one hundred two million, one hundred thousand, one hundred ten".