233130333100021 has 32 divisors (see below), whose sum is σ = 277779419043840. Its totient is φ = 191429527214016.

The previous prime is 233130333100009. The next prime is 233130333100033. The reversal of 233130333100021 is 120001333031332.

It is an interprime number because it is at equal distance from previous prime (233130333100009) and next prime (233130333100033).

It is not a de Polignac number, because 233130333100021 - 2¹³ = 233130333091829 is a prime.

It is a super-2 number, since 2×233130333100021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233130333100121) 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, 12257926 + ... + 24829768.

It is an arithmetic number, because the mean of its divisors is an integer number (8680606845120).

Almost surely, 2^{233130333100021} is an apocalyptic number.

It is an amenable number.

233130333100021 is a deficient number, since it is larger than the sum of its proper divisors (44649085943819).

233130333100021 is a wasteful number, since it uses less digits than its factorization.

233130333100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12572593.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 233130333100021 its reverse (120001333031332), we get a palindrome (353131666131353).

The spelling of 233130333100021 in words is "two hundred thirty-three trillion, one hundred thirty billion, three hundred thirty-three million, one hundred thousand, twenty-one".