422065511111 has 4 divisors (see below), whose sum is σ = 444279485400. Its totient is φ = 399851536824.

The previous prime is 422065511099. The next prime is 422065511123. The reversal of 422065511111 is 111115560224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (422065511099) and next prime (422065511123).

It is a cyclic number.

It is not a de Polignac number, because 422065511111 - 2⁶ = 422065511047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422065511191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106987116 + ... + 11106987153.

It is an arithmetic number, because the mean of its divisors is an integer number (111069871350).

Almost surely, 2^422065511111 is an apocalyptic number.

422065511111 is a deficient number, since it is larger than the sum of its proper divisors (22213974289).

422065511111 is a wasteful number, since it uses less digits than its factorization.

422065511111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22213974288.

The product of its (nonzero) digits is 2400, while the sum is 29.

The spelling of 422065511111 in words is "four hundred twenty-two billion, sixty-five million, five hundred eleven thousand, one hundred eleven".