202012201111 has 8 divisors (see below), whose sum is σ = 232031244800. Its totient is φ = 172283196888.

The previous prime is 202012201063. The next prime is 202012201123. The reversal of 202012201111 is 111102210202.

202012201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202012201111 - 2¹⁵ = 202012168343 is a prime.

It is a super-2 number, since 2×202012201111² (a number of 23 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 = 202012201091 and 202012201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72508371 + ... + 72511156.

It is an arithmetic number, because the mean of its divisors is an integer number (29003905600).

Almost surely, 2^202012201111 is an apocalyptic number.

202012201111 is a deficient number, since it is larger than the sum of its proper divisors (30019043689).

202012201111 is a wasteful number, since it uses less digits than its factorization.

202012201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145019733.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202012201111 its reverse (111102210202), we get a palindrome (313114411313).

Subtracting from 202012201111 its reverse (111102210202), we obtain a palindrome (90909990909).

The spelling of 202012201111 in words is "two hundred two billion, twelve million, two hundred one thousand, one hundred eleven".