2210120021231 has 2 divisors, whose sum is σ = 2210120021232. Its totient is φ = 2210120021230.

The previous prime is 2210120021189. The next prime is 2210120021269. The reversal of 2210120021231 is 1321200210122.

2210120021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2210120021231 - 2²² = 2210115826927 is a prime.

It is a super-2 number, since 2×2210120021231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210120021281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105060010615 + 1105060010616.

It is an arithmetic number, because the mean of its divisors is an integer number (1105060010616).

Almost surely, 2^{2210120021231} is an apocalyptic number.

2210120021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210120021231 is an equidigital number, since it uses as much as digits as its factorization.

2210120021231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2210120021231 its reverse (1321200210122), we get a palindrome (3531320231353).

The spelling of 2210120021231 in words is "two trillion, two hundred ten billion, one hundred twenty million, twenty-one thousand, two hundred thirty-one".