121210012112110 has 64 divisors (see below), whose sum is σ = 230023784448000. Its totient is φ = 45859718184192.

The previous prime is 121210012112051. The next prime is 121210012112131. The reversal of 121210012112110 is 11211210012121.

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, 393209962 + ... + 393518098.

It is an arithmetic number, because the mean of its divisors is an integer number (3594121632000).

Almost surely, 2^{121210012112110} is an apocalyptic number.

121210012112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210012112110 is a deficient number, since it is larger than the sum of its proper divisors (108813772335890).

121210012112110 is a wasteful number, since it uses less digits than its factorization.

121210012112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311425.

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

Adding to 121210012112110 its reverse (11211210012121), we get a palindrome (132421222124231).

The spelling of 121210012112110 in words is "one hundred twenty-one trillion, two hundred ten billion, twelve million, one hundred twelve thousand, one hundred ten".