121203102120110 has 64 divisors (see below), whose sum is σ = 219965211576000. Its totient is φ = 48082344532992.

The previous prime is 121203102120097. The next prime is 121203102120187. The reversal of 121203102120110 is 11021201302121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8113193021 + ... + 8113207959.

It is an arithmetic number, because the mean of its divisors is an integer number (3436956430875).

Almost surely, 2^{121203102120110} is an apocalyptic number.

121203102120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203102120110 is a deficient number, since it is larger than the sum of its proper divisors (98762109455890).

121203102120110 is a wasteful number, since it uses less digits than its factorization.

121203102120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23045.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121203102120110 its reverse (11021201302121), we get a palindrome (132224303422231).

The spelling of 121203102120110 in words is "one hundred twenty-one trillion, two hundred three billion, one hundred two million, one hundred twenty thousand, one hundred ten".