202221112000111 has 4 divisors (see below), whose sum is σ = 202257345854824. Its totient is φ = 202184878145400.

The previous prime is 202221112000087. The next prime is 202221112000177. The reversal of 202221112000111 is 111000211122202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202221112000111 is a prime.

It is a super-2 number, since 2×202221112000111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221112000181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18116918985 + ... + 18116930146.

It is an arithmetic number, because the mean of its divisors is an integer number (50564336463706).

Almost surely, 2^{202221112000111} is an apocalyptic number.

202221112000111 is a deficient number, since it is larger than the sum of its proper divisors (36233854713).

202221112000111 is an equidigital number, since it uses as much as digits as its factorization.

202221112000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36233854712.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202221112000111 its reverse (111000211122202), we get a palindrome (313221323122313).

It can be divided in two parts, 20222111 and 2000111, that added together give a palindrome (22222222).

The spelling of 202221112000111 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred eleven", and thus it is an aban number.