233012011011 has 64 divisors (see below), whose sum is σ = 363450447360. Its totient is φ = 131473520640.

The previous prime is 233012011009. The next prime is 233012011019. The reversal of 233012011011 is 110110210332.

It is a happy number.

It is not a de Polignac number, because 233012011011 - 2¹ = 233012011009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233012011019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11079496 + ... + 11100506.

It is an arithmetic number, because the mean of its divisors is an integer number (5678913240).

Almost surely, 2^233012011011 is an apocalyptic number.

233012011011 is a deficient number, since it is larger than the sum of its proper divisors (130438436349).

233012011011 is a wasteful number, since it uses less digits than its factorization.

233012011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21476.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 233012011011 its reverse (110110210332), we get a palindrome (343122221343).

The spelling of 233012011011 in words is "two hundred thirty-three billion, twelve million, eleven thousand, eleven".