2210310023021 has 2 divisors, whose sum is σ = 2210310023022. Its totient is φ = 2210310023020.

The previous prime is 2210310022967. The next prime is 2210310023107. The reversal of 2210310023021 is 1203200130122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2194531146025 + 15778876996 = 1481395^2 + 125614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210310023021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210310023221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105155011510 + 1105155011511.

It is an arithmetic number, because the mean of its divisors is an integer number (1105155011511).

Almost surely, 2^{2210310023021} is an apocalyptic number.

It is an amenable number.

2210310023021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210310023021 is an equidigital number, since it uses as much as digits as its factorization.

2210310023021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2210310023021 its reverse (1203200130122), we get a palindrome (3413510153143).

The spelling of 2210310023021 in words is "two trillion, two hundred ten billion, three hundred ten million, twenty-three thousand, twenty-one".