111021202111211 has 8 divisors (see below), whose sum is σ = 126884455087104. Its totient is φ = 95158719446760.

The previous prime is 111021202111163. The next prime is 111021202111217. The reversal of 111021202111211 is 112111202120111.

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 111021202111211 - 2⁴⁶ = 40652457933547 is a prime.

It is a super-2 number, since 2×111021202111211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111021202111211.

It is not an unprimeable number, because it can be changed into a prime (111021202111217) 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, 192268985 + ... + 192845546.

It is an arithmetic number, because the mean of its divisors is an integer number (15860556885888).

Almost surely, 2^{111021202111211} is an apocalyptic number.

111021202111211 is a deficient number, since it is larger than the sum of its proper divisors (15863252975893).

111021202111211 is an equidigital number, since it uses as much as digits as its factorization.

111021202111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385155721.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111021202111211 its reverse (112111202120111), we get a palindrome (223132404231322).

The spelling of 111021202111211 in words is "one hundred eleven trillion, twenty-one billion, two hundred two million, one hundred eleven thousand, two hundred eleven".