111021121101 has 8 divisors (see below), whose sum is σ = 161485267104. Its totient is φ = 67285527920.

The previous prime is 111021121087. The next prime is 111021121181. The reversal of 111021121101 is 101121120111.

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 111021121101 - 2⁵ = 111021121069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021121181) 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, 1682138166 + ... + 1682138231.

It is an arithmetic number, because the mean of its divisors is an integer number (20185658388).

Almost surely, 2^111021121101 is an apocalyptic number.

111021121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111021121101 is a deficient number, since it is larger than the sum of its proper divisors (50464146003).

111021121101 is a wasteful number, since it uses less digits than its factorization.

111021121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364276411.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111021121101 its reverse (101121120111), we get a palindrome (212142241212).

The spelling of 111021121101 in words is "one hundred eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred one".