111020210211121 has 8 divisors (see below), whose sum is σ = 115202104801344. Its totient is φ = 106911044222640.

The previous prime is 111020210211091. The next prime is 111020210211143. The reversal of 111020210211121 is 121112012020111.

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 111020210211121 - 2⁵ = 111020210211089 is a prime.

It is a super-3 number, since 3×111020210211121³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111020210211095 and 111020210211104.

It is not an unprimeable number, because it can be changed into a prime (111020210211221) 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, 18182147326 + ... + 18182153431.

It is an arithmetic number, because the mean of its divisors is an integer number (14400263100168).

Almost surely, 2^{111020210211121} is an apocalyptic number.

It is an amenable number.

111020210211121 is a deficient number, since it is larger than the sum of its proper divisors (4181894590223).

111020210211121 is an equidigital number, since it uses as much as digits as its factorization.

111020210211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36364300871.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111020210211121 its reverse (121112012020111), we get a palindrome (232132222231232).

The spelling of 111020210211121 in words is "one hundred eleven trillion, twenty billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-one".