10402222111 has 2 divisors, whose sum is σ = 10402222112. Its totient is φ = 10402222110.

The previous prime is 10402222099. The next prime is 10402222133. The reversal of 10402222111 is 11122220401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10402222111 - 2²⁵ = 10368667679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10402222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201111055 + 5201111056.

It is an arithmetic number, because the mean of its divisors is an integer number (5201111056).

Almost surely, 2^10402222111 is an apocalyptic number.

10402222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10402222111 is an equidigital number, since it uses as much as digits as its factorization.

10402222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10402222111 its reverse (11122220401), we get a palindrome (21524442512).

The spelling of 10402222111 in words is "ten billion, four hundred two million, two hundred twenty-two thousand, one hundred eleven".