40221123101 has 4 divisors (see below), whose sum is σ = 40374055392. Its totient is φ = 40068190812.

The previous prime is 40221123049. The next prime is 40221123127. The reversal of 40221123101 is 10132112204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40221123101 - 2²⁶ = 40154014237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40221123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221122101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76465751 + ... + 76466276.

It is an arithmetic number, because the mean of its divisors is an integer number (10093513848).

Almost surely, 2^40221123101 is an apocalyptic number.

It is an amenable number.

40221123101 is a deficient number, since it is larger than the sum of its proper divisors (152932291).

40221123101 is a wasteful number, since it uses less digits than its factorization.

40221123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152932290.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40221123101 its reverse (10132112204), we get a palindrome (50353235305).

The spelling of 40221123101 in words is "forty billion, two hundred twenty-one million, one hundred twenty-three thousand, one hundred one".