2102222111001 has 4 divisors (see below), whose sum is σ = 2802962814672. Its totient is φ = 1401481407332.

The previous prime is 2102222110969. The next prime is 2102222111021. The reversal of 2102222111001 is 1001112222012.

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 a cyclic number.

It is not a de Polignac number, because 2102222111001 - 2⁵ = 2102222110969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2102222111021) 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, 350370351831 + ... + 350370351836.

It is an arithmetic number, because the mean of its divisors is an integer number (700740703668).

Almost surely, 2^{2102222111001} is an apocalyptic number.

It is an amenable number.

2102222111001 is a deficient number, since it is larger than the sum of its proper divisors (700740703671).

2102222111001 is an equidigital number, since it uses as much as digits as its factorization.

2102222111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700740703670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2102222111001 its reverse (1001112222012), we get a palindrome (3103334333013).

The spelling of 2102222111001 in words is "two trillion, one hundred two billion, two hundred twenty-two million, one hundred eleven thousand, one".