2121033300231 has 8 divisors (see below), whose sum is σ = 2828055717760. Its totient is φ = 1414016541432.

The previous prime is 2121033300203. The next prime is 2121033300263. The reversal of 2121033300231 is 1320033301212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2121033300231 - 2⁶ = 2121033300167 is a prime.

It is a super-2 number, since 2×2121033300231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121033300198 and 2121033300207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121033300431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445171 + ... + 2107188.

It is an arithmetic number, because the mean of its divisors is an integer number (353506964720).

Almost surely, 2^{2121033300231} is an apocalyptic number.

2121033300231 is a deficient number, since it is larger than the sum of its proper divisors (707022417529).

2121033300231 is a wasteful number, since it uses less digits than its factorization.

2121033300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829365.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2121033300231 its reverse (1320033301212), we get a palindrome (3441066601443).

The spelling of 2121033300231 in words is "two trillion, one hundred twenty-one billion, thirty-three million, three hundred thousand, two hundred thirty-one".