233121333011 has 16 divisors (see below), whose sum is σ = 272941713408. Its totient is φ = 194930971200.

The previous prime is 233121332987. The next prime is 233121333089. The reversal of 233121333011 is 110333121332.

It is not a de Polignac number, because 233121333011 - 2¹⁰ = 233121331987 is a prime.

It is a super-2 number, since 2×233121333011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233121333911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7760126 + ... + 7790108.

It is an arithmetic number, because the mean of its divisors is an integer number (17058857088).

Almost surely, 2^233121333011 is an apocalyptic number.

233121333011 is a deficient number, since it is larger than the sum of its proper divisors (39820380397).

233121333011 is a wasteful number, since it uses less digits than its factorization.

233121333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57122.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 233121333011 its reverse (110333121332), we get a palindrome (343454454343).

The spelling of 233121333011 in words is "two hundred thirty-three billion, one hundred twenty-one million, three hundred thirty-three thousand, eleven".