2111042426 has 4 divisors (see below), whose sum is σ = 3166563642. Its totient is φ = 1055521212.

The previous prime is 2111042413. The next prime is 2111042429. The reversal of 2111042426 is 6242401112.

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

It can be written as a sum of positive squares in only one way, i.e., 1848570025 + 262472401 = 42995^2 + 16201^2 .

It is not an unprimeable number, because it can be changed into a prime (2111042429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527760605 + ... + 527760608.

Almost surely, 2^2111042426 is an apocalyptic number.

2111042426 is a deficient number, since it is larger than the sum of its proper divisors (1055521216).

2111042426 is a wasteful number, since it uses less digits than its factorization.

2111042426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055521215.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2111042426 is about 45946.0817263018. The cubic root of 2111042426 is about 1282.8197979206.

Adding to 2111042426 its reverse (6242401112), we get a palindrome (8353443538).

It can be divided in two parts, 21110 and 42426, that added together give a palindrome (63536).

The spelling of 2111042426 in words is "two billion, one hundred eleven million, forty-two thousand, four hundred twenty-six".