20233121122213 has 8 divisors (see below), whose sum is σ = 20887088011776. Its totient is φ = 19579234580400.

The previous prime is 20233121122183. The next prime is 20233121122217. The reversal of 20233121122213 is 31222112133202.

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

It is a cyclic number.

It is not a de Polignac number, because 20233121122213 - 2⁹ = 20233121121701 is a prime.

It is a super-2 number, since 2×20233121122213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233121122217) 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, 19574953 + ... + 20582638.

It is an arithmetic number, because the mean of its divisors is an integer number (2610886001472).

Almost surely, 2^{20233121122213} is an apocalyptic number.

It is an amenable number.

20233121122213 is a deficient number, since it is larger than the sum of its proper divisors (653966889563).

20233121122213 is a wasteful number, since it uses less digits than its factorization.

20233121122213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40173875.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20233121122213 its reverse (31222112133202), we get a palindrome (51455233255415).

The spelling of 20233121122213 in words is "twenty trillion, two hundred thirty-three billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred thirteen".