40202221111 has 16 divisors (see below), whose sum is σ = 45186079680. Its totient is φ = 35489203200.

The previous prime is 40202221097. The next prime is 40202221127. The reversal of 40202221111 is 11112220204.

It is a cyclic number.

It is not a de Polignac number, because 40202221111 - 2⁹ = 40202220599 is a prime.

40202221111 is a modest number, since divided by 221111 gives 40202 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40202228111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1989961 + ... + 2010061.

It is an arithmetic number, because the mean of its divisors is an integer number (2824129980).

Almost surely, 2^40202221111 is an apocalyptic number.

40202221111 is a deficient number, since it is larger than the sum of its proper divisors (4983858569).

40202221111 is a wasteful number, since it uses less digits than its factorization.

40202221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26826.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 40202221111 its reverse (11112220204), we get a palindrome (51314441315).

The spelling of 40202221111 in words is "forty billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".