121311221000110 has 16 divisors (see below), whose sum is σ = 218620460268000. Its totient is φ = 48466652296096.

The previous prime is 121311221000059. The next prime is 121311221000117. The reversal of 121311221000110 is 11000122113121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121311221000117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229504185 + ... + 7229520964.

It is an arithmetic number, because the mean of its divisors is an integer number (13663778766750).

Almost surely, 2^{121311221000110} is an apocalyptic number.

121311221000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121311221000110 is a deficient number, since it is larger than the sum of its proper divisors (97309239267890).

121311221000110 is a wasteful number, since it uses less digits than its factorization.

121311221000110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459025995.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121311221000110 its reverse (11000122113121), we get a palindrome (132311343113231).

The spelling of 121311221000110 in words is "one hundred twenty-one trillion, three hundred eleven billion, two hundred twenty-one million, one hundred ten", and thus it is an aban number.