40221133133 has 2 divisors, whose sum is σ = 40221133134. Its totient is φ = 40221133132.

The previous prime is 40221133123. The next prime is 40221133151. The reversal of 40221133133 is 33133112204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22499400004 + 17721733129 = 149998^2 + 133123^2 .

It is a cyclic number.

It is not a de Polignac number, because 40221133133 - 2²⁶ = 40154024269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40221133099 and 40221133108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40221133123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110566566 + 20110566567.

It is an arithmetic number, because the mean of its divisors is an integer number (20110566567).

Almost surely, 2^40221133133 is an apocalyptic number.

It is an amenable number.

40221133133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221133133 is an equidigital number, since it uses as much as digits as its factorization.

40221133133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40221133133 its reverse (33133112204), we get a palindrome (73354245337).

The spelling of 40221133133 in words is "forty billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred thirty-three".