2112100221002 has 4 divisors (see below), whose sum is σ = 3168150331506. Its totient is φ = 1056050110500.

The previous prime is 2112100220999. The next prime is 2112100221031. The reversal of 2112100221002 is 2001220012112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1518289731721 + 593810489281 = 1232189^2 + 770591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025055249 + ... + 528025055252.

Almost surely, 2^{2112100221002} is an apocalyptic number.

2112100221002 is a deficient number, since it is larger than the sum of its proper divisors (1056050110504).

2112100221002 is a wasteful number, since it uses less digits than its factorization.

2112100221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056050110503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112100221002 its reverse (2001220012112), we get a palindrome (4113320233114).

The spelling of 2112100221002 in words is "two trillion, one hundred twelve billion, one hundred million, two hundred twenty-one thousand, two".