111000020220111 has 64 divisors (see below), whose sum is σ = 169416497562624. Its totient is φ = 63988701004800.

The previous prime is 111000020220107. The next prime is 111000020220121. The reversal of 111000020220111 is 111022020000111.

It is not a de Polignac number, because 111000020220111 - 2² = 111000020220107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000020220121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136296741 + ... + 137108721.

It is an arithmetic number, because the mean of its divisors is an integer number (2647132774416).

Almost surely, 2^{111000020220111} is an apocalyptic number.

111000020220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111000020220111 is a deficient number, since it is larger than the sum of its proper divisors (58416477342513).

111000020220111 is a wasteful number, since it uses less digits than its factorization.

111000020220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813024.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111000020220111 its reverse (111022020000111), we get a palindrome (222022040220222).

The spelling of 111000020220111 in words is "one hundred eleven trillion, twenty million, two hundred twenty thousand, one hundred eleven".