121122110 has 16 divisors (see below), whose sum is σ = 230844816. Its totient is φ = 45598848.

The previous prime is 121122107. The next prime is 121122139. The reversal of 121122110 is 11221121.

It is a junction number, because it is equal to n+sod(n) for n = 121122091 and 121122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356072 + ... + 356411.

It is an arithmetic number, because the mean of its divisors is an integer number (14427801).

Almost surely, 2^121122110 is an apocalyptic number.

121122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122110 is a deficient number, since it is larger than the sum of its proper divisors (109722706).

121122110 is a wasteful number, since it uses less digits than its factorization.

121122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712507.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 121122110 is about 11005.5490549086. The cubic root of 121122110 is about 494.7750704082.

Adding to 121122110 its reverse (11221121), we get a palindrome (132343231).

The spelling of 121122110 in words is "one hundred twenty-one million, one hundred twenty-two thousand, one hundred ten".