23300212001221 has 4 divisors (see below), whose sum is σ = 24103667587500. Its totient is φ = 22496756414944.

The previous prime is 23300212001219. The next prime is 23300212001233. The reversal of 23300212001221 is 12210021200332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19028012376321 + 4272199624900 = 4362111^2 + 2066930^2 .

It is a cyclic number.

It is not a de Polignac number, because 23300212001221 - 2¹ = 23300212001219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300212001821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401727793096 + ... + 401727793153.

It is an arithmetic number, because the mean of its divisors is an integer number (6025916896875).

Almost surely, 2^{23300212001221} is an apocalyptic number.

It is an amenable number.

23300212001221 is a deficient number, since it is larger than the sum of its proper divisors (803455586279).

23300212001221 is an equidigital number, since it uses as much as digits as its factorization.

23300212001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803455586278.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23300212001221 its reverse (12210021200332), we get a palindrome (35510233201553).

The spelling of 23300212001221 in words is "twenty-three trillion, three hundred billion, two hundred twelve million, one thousand, two hundred twenty-one".