111020112002111 has 8 divisors (see below), whose sum is σ = 120276049485984. Its totient is φ = 101866450070880.

The previous prime is 111020112002083. The next prime is 111020112002197. The reversal of 111020112002111 is 111200211020111.

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

It is a cyclic number.

It is not a de Polignac number, because 111020112002111 - 2¹⁸ = 111020111739967 is a prime.

It is a super-2 number, since 2×111020112002111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020112002011) 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, 25568885900 + ... + 25568890241.

It is an arithmetic number, because the mean of its divisors is an integer number (15034506185748).

Almost surely, 2^{111020112002111} is an apocalyptic number.

111020112002111 is a deficient number, since it is larger than the sum of its proper divisors (9255937483873).

111020112002111 is a wasteful number, since it uses less digits than its factorization.

111020112002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51137776321.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111020112002111 its reverse (111200211020111), we get a palindrome (222220323022222).

The spelling of 111020112002111 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, two thousand, one hundred eleven".