121120121112110 has 64 divisors (see below), whose sum is σ = 219448016156160. Its totient is φ = 48130763345280.

The previous prime is 121120121112017. The next prime is 121120121112119. The reversal of 121120121112110 is 11211121021121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120121112119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3983806169 + ... + 3983836571.

It is an arithmetic number, because the mean of its divisors is an integer number (3428875252440).

Almost surely, 2^{121120121112110} is an apocalyptic number.

121120121112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120121112110 is a deficient number, since it is larger than the sum of its proper divisors (98327895044050).

121120121112110 is a wasteful number, since it uses less digits than its factorization.

121120121112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33993.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121120121112110 its reverse (11211121021121), we get a palindrome (132331242133231).

The spelling of 121120121112110 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, one hundred ten".