1210110221112 has 64 divisors (see below), whose sum is σ = 3302619106080. Its totient is φ = 367241029632.

The previous prime is 1210110221093. The next prime is 1210110221137. The reversal of 1210110221112 is 2111220110121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210110221091 and 1210110221100.

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, 26542693 + ... + 26588244.

Almost surely, 2^{1210110221112} is an apocalyptic number.

1210110221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210110221112 is an abundant number, since it is smaller than the sum of its proper divisors (2092508884968).

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

1210110221112 is a wasteful number, since it uses less digits than its factorization.

1210110221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53131032 (or 53131028 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210110221112 its reverse (2111220110121), we get a palindrome (3321330331233).

The spelling of 1210110221112 in words is "one trillion, two hundred ten billion, one hundred ten million, two hundred twenty-one thousand, one hundred twelve".