2100112221001 has 8 divisors (see below), whose sum is σ = 2108969986304. Its totient is φ = 2091273085440.

The previous prime is 2100112220993. The next prime is 2100112221037. The reversal of 2100112221001 is 1001222110012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100112221001 - 2³ = 2100112220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100112221061) 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, 4431480 + ... + 4882441.

It is an arithmetic number, because the mean of its divisors is an integer number (263621248288).

Almost surely, 2^{2100112221001} is an apocalyptic number.

It is an amenable number.

2100112221001 is a deficient number, since it is larger than the sum of its proper divisors (8857765303).

2100112221001 is an equidigital number, since it uses as much as digits as its factorization.

2100112221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314871.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100112221001 its reverse (1001222110012), we get a palindrome (3101334331013).

The spelling of 2100112221001 in words is "two trillion, one hundred billion, one hundred twelve million, two hundred twenty-one thousand, one".