2211100002021 has 16 divisors (see below), whose sum is σ = 2987574652800. Its totient is φ = 1454477044800.

The previous prime is 2211100001963. The next prime is 2211100002079. The reversal of 2211100002021 is 1202000011122.

It is an interprime number because it is at equal distance from previous prime (2211100001963) and next prime (2211100002079).

It is not a de Polignac number, because 2211100002021 - 2²² = 2211095807717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211100001988 and 2211100002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211100002421) 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, 16311750 + ... + 16446743.

It is an arithmetic number, because the mean of its divisors is an integer number (186723415800).

Almost surely, 2^{2211100002021} is an apocalyptic number.

It is an amenable number.

2211100002021 is a deficient number, since it is larger than the sum of its proper divisors (776474650779).

2211100002021 is a wasteful number, since it uses less digits than its factorization.

2211100002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32758796.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2211100002021 its reverse (1202000011122), we get a palindrome (3413100013143).

The spelling of 2211100002021 in words is "two trillion, two hundred eleven billion, one hundred million, two thousand, twenty-one".