233021002011 has 32 divisors (see below), whose sum is σ = 356666956800. Its totient is φ = 132560945280.

The previous prime is 233021002007. The next prime is 233021002013. The reversal of 233021002011 is 110200120332.

It is not a de Polignac number, because 233021002011 - 2² = 233021002007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233021002013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4222545 + ... + 4277373.

It is an arithmetic number, because the mean of its divisors is an integer number (11145842400).

Almost surely, 2^233021002011 is an apocalyptic number.

233021002011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

233021002011 is a deficient number, since it is larger than the sum of its proper divisors (123645954789).

233021002011 is a wasteful number, since it uses less digits than its factorization.

233021002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55739.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 233021002011 its reverse (110200120332), we get a palindrome (343221122343).

The spelling of 233021002011 in words is "two hundred thirty-three billion, twenty-one million, two thousand, eleven".