23212220011201 has 8 divisors (see below), whose sum is σ = 24998585316264. Its totient is φ = 21425970408960.

The previous prime is 23212220011187. The next prime is 23212220011219. The reversal of 23212220011201 is 10211002221232.

It can be written as a sum of positive squares in 4 ways, for example, as 4022992947600 + 19189227063601 = 2005740^2 + 4380551^2 .

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

It is not a de Polignac number, because 23212220011201 - 2¹³ = 23212220003009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23212220011241) 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, 28508806 + ... + 29311711.

It is an arithmetic number, because the mean of its divisors is an integer number (3124823164533).

Almost surely, 2^{23212220011201} is an apocalyptic number.

It is an amenable number.

23212220011201 is a deficient number, since it is larger than the sum of its proper divisors (1786365305063).

23212220011201 is a wasteful number, since it uses less digits than its factorization.

23212220011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57851411.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23212220011201 its reverse (10211002221232), we get a palindrome (33423222232433).

The spelling of 23212220011201 in words is "twenty-three trillion, two hundred twelve billion, two hundred twenty million, eleven thousand, two hundred one".