2111422142 has 8 divisors (see below), whose sum is σ = 3168369000. Its totient is φ = 1055299144.

The previous prime is 2111422133. The next prime is 2111422147. The reversal of 2111422142 is 2412241112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111422147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199517 + ... + 209832.

It is an arithmetic number, because the mean of its divisors is an integer number (396046125).

Almost surely, 2^2111422142 is an apocalyptic number.

2111422142 is a deficient number, since it is larger than the sum of its proper divisors (1056946858).

2111422142 is a wasteful number, since it uses less digits than its factorization.

2111422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411930.

The product of its digits is 256, while the sum is 20.

The square root of 2111422142 is about 45950.2137318207. The cubic root of 2111422142 is about 1282.8967074755.

Adding to 2111422142 its reverse (2412241112), we get a palindrome (4523663254).

The spelling of 2111422142 in words is "two billion, one hundred eleven million, four hundred twenty-two thousand, one hundred forty-two".