2100022110221 has 16 divisors (see below), whose sum is σ = 2429411885568. Its totient is φ = 1778061696000.

The previous prime is 2100022110217. The next prime is 2100022110223. The reversal of 2100022110221 is 1220112200012.

It is a cyclic number.

It is not a de Polignac number, because 2100022110221 - 2² = 2100022110217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100022110196 and 2100022110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100022110223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3141140 + ... + 3750573.

It is an arithmetic number, because the mean of its divisors is an integer number (151838242848).

Almost surely, 2^{2100022110221} is an apocalyptic number.

It is an amenable number.

2100022110221 is a deficient number, since it is larger than the sum of its proper divisors (329389775347).

2100022110221 is a wasteful number, since it uses less digits than its factorization.

2100022110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892252.

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

Adding to 2100022110221 its reverse (1220112200012), we get a palindrome (3320134310233).

The spelling of 2100022110221 in words is "two trillion, one hundred billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".