12121102100110 has 16 divisors (see below), whose sum is σ = 21818248776000. Its totient is φ = 4848381952096.

The previous prime is 12121102100099. The next prime is 12121102100123. The reversal of 12121102100110 is 1100120112121.

It is a happy number.

It is a super-2 number, since 2×12121102100110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491605 + ... + 8147584.

It is an arithmetic number, because the mean of its divisors is an integer number (1363640548500).

Almost surely, 2^{12121102100110} is an apocalyptic number.

12121102100110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121102100110 is a deficient number, since it is larger than the sum of its proper divisors (9697146675890).

12121102100110 is a wasteful number, since it uses less digits than its factorization.

12121102100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721995.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12121102100110 its reverse (1100120112121), we get a palindrome (13221222212231).

The spelling of 12121102100110 in words is "twelve trillion, one hundred twenty-one billion, one hundred two million, one hundred thousand, one hundred ten".