10212121111110 has 32 divisors (see below), whose sum is σ = 24513482591712. Its totient is φ = 2722744304640.

The previous prime is 10212121111039. The next prime is 10212121111151. The reversal of 10212121111110 is 1111112121201.

10212121111110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212121111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30329259 + ... + 30664118.

It is an arithmetic number, because the mean of its divisors is an integer number (766046330991).

Almost surely, 2^{10212121111110} is an apocalyptic number.

10212121111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212121111110 is an abundant number, since it is smaller than the sum of its proper divisors (14301361480602).

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

10212121111110 is a wasteful number, since it uses less digits than its factorization.

10212121111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60998968.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10212121111110 its reverse (1111112121201), we get a palindrome (11323233232311).

The spelling of 10212121111110 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, one hundred ten".