12101121032110 has 64 divisors (see below), whose sum is σ = 24613894180800. Its totient is φ = 4243085593600.

The previous prime is 12101121032089. The next prime is 12101121032111. The reversal of 12101121032110 is 1123012110121.

It is a happy number.

It is a super-4 number, since 4×12101121032110⁴ (a number of 53 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101121032111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64825 + ... + 4920004.

It is an arithmetic number, because the mean of its divisors is an integer number (384592096575).

Almost surely, 2^{12101121032110} is an apocalyptic number.

12101121032110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101121032110 is an abundant number, since it is smaller than the sum of its proper divisors (12512773148690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101121032110 is a wasteful number, since it uses less digits than its factorization.

12101121032110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985637.

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

Adding to 12101121032110 its reverse (1123012110121), we get a palindrome (13224133142231).

The spelling of 12101121032110 in words is "twelve trillion, one hundred one billion, one hundred twenty-one million, thirty-two thousand, one hundred ten".