121020210112 has 14 divisors (see below), whose sum is σ = 240149479568. Its totient is φ = 60510105024.

The previous prime is 121020210109. The next prime is 121020210119. The reversal of 121020210112 is 211012020121.

121020210112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121020210092 and 121020210101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020210119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945470328 + ... + 945470455.

Almost surely, 2^121020210112 is an apocalyptic number.

It is an amenable number.

121020210112 is a deficient number, since it is larger than the sum of its proper divisors (119129269456).

121020210112 is an equidigital number, since it uses as much as digits as its factorization.

121020210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890940795 (or 1890940785 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121020210112 its reverse (211012020121), we get a palindrome (332032230233).

The spelling of 121020210112 in words is "one hundred twenty-one billion, twenty million, two hundred ten thousand, one hundred twelve".