201112220120111 has 4 divisors (see below), whose sum is σ = 201913464025224. Its totient is φ = 200310976215000.

The previous prime is 201112220120101. The next prime is 201112220120197. The reversal of 201112220120111 is 111021022211102.

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

It is a cyclic number.

It is not a de Polignac number, because 201112220120111 - 2³⁴ = 201095040250927 is a prime.

It is a super-2 number, since 2×201112220120111² (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 201112220120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112220120101) 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, 400621952180 + ... + 400621952681.

It is an arithmetic number, because the mean of its divisors is an integer number (50478366006306).

Almost surely, 2^{201112220120111} is an apocalyptic number.

201112220120111 is a deficient number, since it is larger than the sum of its proper divisors (801243905113).

201112220120111 is an equidigital number, since it uses as much as digits as its factorization.

201112220120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801243905112.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201112220120111 its reverse (111021022211102), we get a palindrome (312133242331213).

The spelling of 201112220120111 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty thousand, one hundred eleven".