2222100110021 has 4 divisors (see below), whose sum is σ = 2424109210944. Its totient is φ = 2020091009100.

The previous prime is 2222100110017. The next prime is 2222100110033. The reversal of 2222100110021 is 1200110012222.

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 2222100110021 - 2² = 2222100110017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222100109978 and 2222100110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222100110071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101004550445 + ... + 101004550466.

It is an arithmetic number, because the mean of its divisors is an integer number (606027302736).

Almost surely, 2^{2222100110021} is an apocalyptic number.

It is an amenable number.

2222100110021 is a deficient number, since it is larger than the sum of its proper divisors (202009100923).

2222100110021 is a wasteful number, since it uses less digits than its factorization.

2222100110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202009100922.

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

Adding to 2222100110021 its reverse (1200110012222), we get a palindrome (3422210122243).

The spelling of 2222100110021 in words is "two trillion, two hundred twenty-two billion, one hundred million, one hundred ten thousand, twenty-one".