2111010042434 has 4 divisors (see below), whose sum is σ = 3166515063654. Its totient is φ = 1055505021216.

The previous prime is 2111010042367. The next prime is 2111010042467. The reversal of 2111010042434 is 4342400101112.

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., 1948522851025 + 162487191409 = 1395895^2 + 403097^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527752510607 + ... + 527752510610.

Almost surely, 2^{2111010042434} is an apocalyptic number.

2111010042434 is a deficient number, since it is larger than the sum of its proper divisors (1055505021220).

2111010042434 is a wasteful number, since it uses less digits than its factorization.

2111010042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055505021219.

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

Adding to 2111010042434 its reverse (4342400101112), we get a palindrome (6453410143546).

The spelling of 2111010042434 in words is "two trillion, one hundred eleven billion, ten million, forty-two thousand, four hundred thirty-four".