2011335142 has 16 divisors (see below), whose sum is σ = 3153356640. Its totient is φ = 960360192.

The previous prime is 2011335121. The next prime is 2011335217. The reversal of 2011335142 is 2415331102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7467 + ... + 63862.

It is an arithmetic number, because the mean of its divisors is an integer number (197084790).

Almost surely, 2^2011335142 is an apocalyptic number.

2011335142 is a deficient number, since it is larger than the sum of its proper divisors (1142021498).

2011335142 is a wasteful number, since it uses less digits than its factorization.

2011335142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71967.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2011335142 is about 44847.9112334120. The cubic root of 2011335142 is about 1262.2967979596.

Adding to 2011335142 its reverse (2415331102), we get a palindrome (4426666244).

It can be divided in two parts, 20113 and 35142, that added together give a palindrome (55255).

The spelling of 2011335142 in words is "two billion, eleven million, three hundred thirty-five thousand, one hundred forty-two".