2102221011001 has 16 divisors (see below), whose sum is σ = 2114629913088. Its totient is φ = 2089855641600.

The previous prime is 2102221010951. The next prime is 2102221011043. The reversal of 2102221011001 is 1001101222012.

It is a cyclic number.

It is not a de Polignac number, because 2102221011001 - 2⁷ = 2102221010873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102221011601) 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, 200914296 + ... + 200924758.

It is an arithmetic number, because the mean of its divisors is an integer number (132164369568).

Almost surely, 2^{2102221011001} is an apocalyptic number.

It is an amenable number.

2102221011001 is a deficient number, since it is larger than the sum of its proper divisors (12408902087).

2102221011001 is a wasteful number, since it uses less digits than its factorization.

2102221011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432.

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

Adding to 2102221011001 its reverse (1001101222012), we get a palindrome (3103322233013).

The spelling of 2102221011001 in words is "two trillion, one hundred two billion, two hundred twenty-one million, eleven thousand, one".