112221020001 has 4 divisors (see below), whose sum is σ = 149628026672. Its totient is φ = 74814013332.

The previous prime is 112221019979. The next prime is 112221020003. The reversal of 112221020001 is 100020122211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112221020001 - 2⁵ = 112221019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221020003) 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, 18703503331 + ... + 18703503336.

It is an arithmetic number, because the mean of its divisors is an integer number (37407006668).

Almost surely, 2^112221020001 is an apocalyptic number.

It is an amenable number.

112221020001 is a deficient number, since it is larger than the sum of its proper divisors (37407006671).

112221020001 is an equidigital number, since it uses as much as digits as its factorization.

112221020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407006670.

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

Adding to 112221020001 its reverse (100020122211), we get a palindrome (212241142212).

The spelling of 112221020001 in words is "one hundred twelve billion, two hundred twenty-one million, twenty thousand, one".