40221102601 has 4 divisors (see below), whose sum is σ = 40232890692. Its totient is φ = 40209314512.

The previous prime is 40221102539. The next prime is 40221102629. The reversal of 40221102601 is 10620112204.

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 19887768576 + 20333334025 = 141024^2 + 142595^2 .

It is a cyclic number.

It is not a de Polignac number, because 40221102601 - 2⁷ = 40221102473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40221102631) 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, 5888926 + ... + 5895751.

It is an arithmetic number, because the mean of its divisors is an integer number (10058222673).

Almost surely, 2^40221102601 is an apocalyptic number.

It is an amenable number.

40221102601 is a deficient number, since it is larger than the sum of its proper divisors (11788091).

40221102601 is a wasteful number, since it uses less digits than its factorization.

40221102601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788090.

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

Adding to 40221102601 its reverse (10620112204), we get a palindrome (50841214805).

The spelling of 40221102601 in words is "forty billion, two hundred twenty-one million, one hundred two thousand, six hundred one".