23221201011 has 8 divisors (see below), whose sum is σ = 30962449104. Its totient is φ = 15480376800.

The previous prime is 23221200941. The next prime is 23221201013. The reversal of 23221201011 is 11010212232.

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

It is not a de Polignac number, because 23221201011 - 2¹⁰ = 23221199987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23221201013) 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 7 ways as a sum of consecutive naturals, for example, 58185 + ... + 223221.

It is an arithmetic number, because the mean of its divisors is an integer number (3870306138).

Almost surely, 2^23221201011 is an apocalyptic number.

23221201011 is a deficient number, since it is larger than the sum of its proper divisors (7741248093).

23221201011 is a wasteful number, since it uses less digits than its factorization.

23221201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211941.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23221201011 its reverse (11010212232), we get a palindrome (34231413243).

The spelling of 23221201011 in words is "twenty-three billion, two hundred twenty-one million, two hundred one thousand, eleven".