40221301331111 has 4 divisors (see below), whose sum is σ = 40514887472352. Its totient is φ = 39927715189872.

The previous prime is 40221301331063. The next prime is 40221301331209. The reversal of 40221301331111 is 11113310312204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40221301331111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221301381111) 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, 146793070415 + ... + 146793070688.

It is an arithmetic number, because the mean of its divisors is an integer number (10128721868088).

Almost surely, 2^{40221301331111} is an apocalyptic number.

40221301331111 is a deficient number, since it is larger than the sum of its proper divisors (293586141241).

40221301331111 is a wasteful number, since it uses less digits than its factorization.

40221301331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293586141240.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 40221301331111 its reverse (11113310312204), we get a palindrome (51334611643315).

The spelling of 40221301331111 in words is "forty trillion, two hundred twenty-one billion, three hundred one million, three hundred thirty-one thousand, one hundred eleven".