22110010010021 has 4 divisors (see below), whose sum is σ = 22110020064000. Its totient is φ = 22109999956044.

The previous prime is 22110010010003. The next prime is 22110010010063. The reversal of 22110010010021 is 12001001001122.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22110010010021 - 2²² = 22110005815717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110010009984 and 22110010010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110010018021) 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, 153221 + ... + 6651578.

It is an arithmetic number, because the mean of its divisors is an integer number (5527505016000).

Almost surely, 2^{22110010010021} is an apocalyptic number.

It is an amenable number.

22110010010021 is a deficient number, since it is larger than the sum of its proper divisors (10053979).

22110010010021 is an equidigital number, since it uses as much as digits as its factorization.

22110010010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053978.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22110010010021 its reverse (12001001001122), we get a palindrome (34111011011143).

The spelling of 22110010010021 in words is "twenty-two trillion, one hundred ten billion, ten million, ten thousand, twenty-one".