121122120110 has 16 divisors (see below), whose sum is σ = 221715068400. Its totient is φ = 47627680896.

The previous prime is 121122120103. The next prime is 121122120137. The reversal of 121122120110 is 11021221121.

It is a super-3 number, since 3×121122120110³ (a number of 34 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 102645275 + ... + 102646454.

It is an arithmetic number, because the mean of its divisors is an integer number (13857191775).

Almost surely, 2^121122120110 is an apocalyptic number.

121122120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122120110 is a deficient number, since it is larger than the sum of its proper divisors (100592948290).

121122120110 is a wasteful number, since it uses less digits than its factorization.

121122120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205291795.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121122120110 its reverse (11021221121), we get a palindrome (132143341231).

The spelling of 121122120110 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred ten".