221002010112 has 80 divisors (see below), whose sum is σ = 634052699280. Its totient is φ = 68000612352.

The previous prime is 221002010111. The next prime is 221002010167. The reversal of 221002010112 is 211010200122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002010111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513937 + ... + 5553872.

It is an arithmetic number, because the mean of its divisors is an integer number (7925658741).

Almost surely, 2^221002010112 is an apocalyptic number.

It is an amenable number.

221002010112 is an abundant number, since it is smaller than the sum of its proper divisors (413050689168).

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

221002010112 is a wasteful number, since it uses less digits than its factorization.

221002010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067843 (or 11067827 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221002010112 its reverse (211010200122), we get a palindrome (432012210234).

The spelling of 221002010112 in words is "two hundred twenty-one billion, two million, ten thousand, one hundred twelve".