40221112601 has 4 divisors (see below), whose sum is σ = 40980001572. Its totient is φ = 39462223632.

The previous prime is 40221112579. The next prime is 40221112661. The reversal of 40221112601 is 10621112204.

It is a happy number.

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 30756741376 + 9464371225 = 175376^2 + 97285^2 .

It is a cyclic number.

It is not a de Polignac number, because 40221112601 - 2¹⁴ = 40221096217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221112661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379444406 + ... + 379444511.

It is an arithmetic number, because the mean of its divisors is an integer number (10245000393).

Almost surely, 2^40221112601 is an apocalyptic number.

It is an amenable number.

40221112601 is a deficient number, since it is larger than the sum of its proper divisors (758888971).

40221112601 is an equidigital number, since it uses as much as digits as its factorization.

40221112601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758888970.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 40221112601 its reverse (10621112204), we get a palindrome (50842224805).

The spelling of 40221112601 in words is "forty billion, two hundred twenty-one million, one hundred twelve thousand, six hundred one".