2102211222001 has 16 divisors (see below), whose sum is σ = 2320064743680. Its totient is φ = 1888833006720.

The previous prime is 2102211221959. The next prime is 2102211222017. The reversal of 2102211222001 is 1002221122012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2102211222001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102211262001) 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, 1882411 + ... + 2783503.

It is an arithmetic number, because the mean of its divisors is an integer number (145004046480).

Almost surely, 2^{2102211222001} is an apocalyptic number.

It is an amenable number.

2102211222001 is a deficient number, since it is larger than the sum of its proper divisors (217853521679).

2102211222001 is a wasteful number, since it uses less digits than its factorization.

2102211222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903576.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102211222001 its reverse (1002221122012), we get a palindrome (3104432344013).

The spelling of 2102211222001 in words is "two trillion, one hundred two billion, two hundred eleven million, two hundred twenty-two thousand, one".