10121221112110 has 32 divisors (see below), whose sum is σ = 18295904937600. Its totient is φ = 4031222979840.

The previous prime is 10121221112089. The next prime is 10121221112111. The reversal of 10121221112110 is 1121112212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121221112111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30525096 + ... + 30854884.

It is an arithmetic number, because the mean of its divisors is an integer number (571747029300).

Almost surely, 2^{10121221112110} is an apocalyptic number.

10121221112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121221112110 is a deficient number, since it is larger than the sum of its proper divisors (8174683825490).

10121221112110 is a wasteful number, since it uses less digits than its factorization.

10121221112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342876.

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

Adding to 10121221112110 its reverse (1121112212101), we get a palindrome (11242333324211).

The spelling of 10121221112110 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, one hundred ten".