221002111010112 has 28 divisors (see below), whose sum is σ = 584734752048096. Its totient is φ = 73667370336640.

The previous prime is 221002111010111. The next prime is 221002111010117. The reversal of 221002111010112 is 211010111200122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221002111010091 and 221002111010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002111010111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575526330564 + ... + 575526330947.

Almost surely, 2^{221002111010112} is an apocalyptic number.

It is an amenable number.

221002111010112 is an abundant number, since it is smaller than the sum of its proper divisors (363732641037984).

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

221002111010112 is a wasteful number, since it uses less digits than its factorization.

221002111010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151052661526 (or 1151052661516 counting only the distinct ones).

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

Adding to 221002111010112 its reverse (211010111200122), we get a palindrome (432012222210234).

The spelling of 221002111010112 in words is "two hundred twenty-one trillion, two billion, one hundred eleven million, ten thousand, one hundred twelve".