112002020221 has 16 divisors (see below), whose sum is σ = 137932017664. Its totient is φ = 88563383424.

The previous prime is 112002020203. The next prime is 112002020237. The reversal of 112002020221 is 122020200211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112002020221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002020521) 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, 220605 + ... + 522178.

It is an arithmetic number, because the mean of its divisors is an integer number (8620751104).

Almost surely, 2^112002020221 is an apocalyptic number.

It is an amenable number.

112002020221 is a deficient number, since it is larger than the sum of its proper divisors (25929997443).

112002020221 is a wasteful number, since it uses less digits than its factorization.

112002020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744460.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112002020221 its reverse (122020200211), we get a palindrome (234022220432).

The spelling of 112002020221 in words is "one hundred twelve billion, two million, twenty thousand, two hundred twenty-one".