121122001110 has 32 divisors (see below), whose sum is σ = 317119421952. Its totient is φ = 29362909280.

The previous prime is 121122001061. The next prime is 121122001123. The reversal of 121122001110 is 11100221121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183517854 + ... + 183518513.

It is an arithmetic number, because the mean of its divisors is an integer number (9909981936).

Almost surely, 2^121122001110 is an apocalyptic number.

121122001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122001110 is an abundant number, since it is smaller than the sum of its proper divisors (195997420842).

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

121122001110 is a wasteful number, since it uses less digits than its factorization.

121122001110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367036388.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121122001110 its reverse (11100221121), we get a palindrome (132222222231).

The spelling of 121122001110 in words is "one hundred twenty-one billion, one hundred twenty-two million, one thousand, one hundred ten".