2221020102112 has 96 divisors (see below), whose sum is σ = 5309473639680. Its totient is φ = 893339642880.

The previous prime is 2221020102109. The next prime is 2221020102113. The reversal of 2221020102112 is 2112010201222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221020102113) 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, 1983189 + ... + 2893972.

It is an arithmetic number, because the mean of its divisors is an integer number (55307017080).

Almost surely, 2^{2221020102112} is an apocalyptic number.

It is an amenable number.

2221020102112 is an abundant number, since it is smaller than the sum of its proper divisors (3088453537568).

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

2221020102112 is a wasteful number, since it uses less digits than its factorization.

2221020102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877304 (or 4877296 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221020102112 its reverse (2112010201222), we get a palindrome (4333030303334).

The spelling of 2221020102112 in words is "two trillion, two hundred twenty-one billion, twenty million, one hundred two thousand, one hundred twelve".