2210222213021 has 2 divisors, whose sum is σ = 2210222213022. Its totient is φ = 2210222213020.

The previous prime is 2210222213009. The next prime is 2210222213053. The reversal of 2210222213021 is 1203122220122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2204969587396 + 5252625625 = 1484914^2 + 72475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210222213021 - 2¹⁸ = 2210221950877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210222212984 and 2210222213002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210222213921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105111106510 + 1105111106511.

It is an arithmetic number, because the mean of its divisors is an integer number (1105111106511).

Almost surely, 2^{2210222213021} is an apocalyptic number.

It is an amenable number.

2210222213021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210222213021 is an equidigital number, since it uses as much as digits as its factorization.

2210222213021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2210222213021 its reverse (1203122220122), we get a palindrome (3413344433143).

The spelling of 2210222213021 in words is "two trillion, two hundred ten billion, two hundred twenty-two million, two hundred thirteen thousand, twenty-one".