1112000020221 has 16 divisors (see below), whose sum is σ = 1515562259904. Its totient is φ = 724976688384.

The previous prime is 1112000020213. The next prime is 1112000020231. The reversal of 1112000020221 is 1220200002111.

It is not a de Polignac number, because 1112000020221 - 2³ = 1112000020213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112000020197 and 1112000020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112000020231) 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, 11341596 + ... + 11439221.

It is an arithmetic number, because the mean of its divisors is an integer number (94722641244).

Almost surely, 2^{1112000020221} is an apocalyptic number.

It is an amenable number.

1112000020221 is a deficient number, since it is larger than the sum of its proper divisors (403562239683).

1112000020221 is a wasteful number, since it uses less digits than its factorization.

1112000020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22781180.

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

Adding to 1112000020221 its reverse (1220200002111), we get a palindrome (2332200022332).

The spelling of 1112000020221 in words is "one trillion, one hundred twelve billion, twenty thousand, two hundred twenty-one".