111020102111 has 8 divisors (see below), whose sum is σ = 116866780800. Its totient is φ = 105173775000.

The previous prime is 111020102033. The next prime is 111020102117. The reversal of 111020102111 is 111201020111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020102111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111020102092 and 111020102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780236 + ... + 911486.

It is an arithmetic number, because the mean of its divisors is an integer number (14608347600).

Almost surely, 2^111020102111 is an apocalyptic number.

111020102111 is a deficient number, since it is larger than the sum of its proper divisors (5846678689).

111020102111 is a wasteful number, since it uses less digits than its factorization.

111020102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175789.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111020102111 its reverse (111201020111), we get a palindrome (222221122222).

The spelling of 111020102111 in words is "one hundred eleven billion, twenty million, one hundred two thousand, one hundred eleven".