2102223012431 has 2 divisors, whose sum is σ = 2102223012432. Its totient is φ = 2102223012430.

The previous prime is 2102223012419. The next prime is 2102223012467. The reversal of 2102223012431 is 1342103222012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102223012431 - 2¹⁰ = 2102223011407 is a prime.

It is a super-2 number, since 2×2102223012431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102223012397 and 2102223012406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102223012931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051111506215 + 1051111506216.

It is an arithmetic number, because the mean of its divisors is an integer number (1051111506216).

Almost surely, 2^{2102223012431} is an apocalyptic number.

2102223012431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102223012431 is an equidigital number, since it uses as much as digits as its factorization.

2102223012431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2102223012431 its reverse (1342103222012), we get a palindrome (3444326234443).

The spelling of 2102223012431 in words is "two trillion, one hundred two billion, two hundred twenty-three million, twelve thousand, four hundred thirty-one".