420032100111 has 16 divisors (see below), whose sum is σ = 609899683680. Its totient is φ = 255577006080.

The previous prime is 420032100107. The next prime is 420032100119. The reversal of 420032100111 is 111001230024.

It is not a de Polignac number, because 420032100111 - 2² = 420032100107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420032100119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60502450 + ... + 60509391.

It is an arithmetic number, because the mean of its divisors is an integer number (38118730230).

Almost surely, 2^420032100111 is an apocalyptic number.

420032100111 is a deficient number, since it is larger than the sum of its proper divisors (189867583569).

420032100111 is a wasteful number, since it uses less digits than its factorization.

420032100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121011946.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 420032100111 its reverse (111001230024), we get a palindrome (531033330135).

The spelling of 420032100111 in words is "four hundred twenty billion, thirty-two million, one hundred thousand, one hundred eleven".