2210003252021 has 2 divisors, whose sum is σ = 2210003252022. Its totient is φ = 2210003252020.

The previous prime is 2210003252003. The next prime is 2210003252047. The reversal of 2210003252021 is 1202523000122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232297587921 + 977705664100 = 1110089^2 + 988790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210003252021 - 2¹⁸ = 2210002989877 is a prime.

It is a super-2 number, since 2×2210003252021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2210003251984 and 2210003252002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210003252621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105001626010 + 1105001626011.

It is an arithmetic number, because the mean of its divisors is an integer number (1105001626011).

Almost surely, 2^{2210003252021} is an apocalyptic number.

It is an amenable number.

2210003252021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210003252021 is an equidigital number, since it uses as much as digits as its factorization.

2210003252021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2210003252021 its reverse (1202523000122), we get a palindrome (3412526252143).

The spelling of 2210003252021 in words is "two trillion, two hundred ten billion, three million, two hundred fifty-two thousand, twenty-one".