43400122111 has 8 divisors (see below), whose sum is σ = 43454922624. Its totient is φ = 43345357440.

The previous prime is 43400122099. The next prime is 43400122121. The reversal of 43400122111 is 11122100434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43400122111 - 2⁹ = 43400121599 is a prime.

It is a super-2 number, since 2×43400122111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43400122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027186 + ... + 3041488.

It is an arithmetic number, because the mean of its divisors is an integer number (5431865328).

Almost surely, 2^43400122111 is an apocalyptic number.

43400122111 is a deficient number, since it is larger than the sum of its proper divisors (54800513).

43400122111 is a wasteful number, since it uses less digits than its factorization.

43400122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17921.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 43400122111 its reverse (11122100434), we get a palindrome (54522222545).

The spelling of 43400122111 in words is "forty-three billion, four hundred million, one hundred twenty-two thousand, one hundred eleven".