111101102020111 has 8 divisors (see below), whose sum is σ = 127022618317824. Its totient is φ = 95192068296120.

The previous prime is 111101102020061. The next prime is 111101102020123. The reversal of 111101102020111 is 111020201101111.

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 111101102020111 - 2⁹ = 111101102019599 is a prime.

It is a super-2 number, since 2×111101102020111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111101102020091 and 111101102020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111101102029111) 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, 3120624355 + ... + 3120659956.

It is an arithmetic number, because the mean of its divisors is an integer number (15877827289728).

Almost surely, 2^{111101102020111} is an apocalyptic number.

111101102020111 is a deficient number, since it is larger than the sum of its proper divisors (15921516297713).

111101102020111 is an equidigital number, since it uses as much as digits as its factorization.

111101102020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241286861.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111101102020111 its reverse (111020201101111), we get a palindrome (222121303121222).

The spelling of 111101102020111 in words is "one hundred eleven trillion, one hundred one billion, one hundred two million, twenty thousand, one hundred eleven".