420022331111 has 16 divisors (see below), whose sum is σ = 435633564960. Its totient is φ = 404487552000.

The previous prime is 420022331107. The next prime is 420022331123. The reversal of 420022331111 is 111133220024.

It is a cyclic number.

It is not a de Polignac number, because 420022331111 - 2² = 420022331107 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 (420022331161) 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 15 ways as a sum of consecutive naturals, for example, 19989611 + ... + 20010611.

It is an arithmetic number, because the mean of its divisors is an integer number (27227097810).

Almost surely, 2^420022331111 is an apocalyptic number.

420022331111 is a deficient number, since it is larger than the sum of its proper divisors (15611233849).

420022331111 is a wasteful number, since it uses less digits than its factorization.

420022331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22786.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 420022331111 its reverse (111133220024), we get a palindrome (531155551135).

The spelling of 420022331111 in words is "four hundred twenty billion, twenty-two million, three hundred thirty-one thousand, one hundred eleven".