201122221120111 has 8 divisors (see below), whose sum is σ = 201170883243600. Its totient is φ = 201073560116352.

The previous prime is 201122221120099. The next prime is 201122221120153. The reversal of 201122221120111 is 111021122221102.

It is a happy number.

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 201122221120111 - 2¹³ = 201122221111919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122221120211) 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, 443210311 + ... + 443663863.

It is an arithmetic number, because the mean of its divisors is an integer number (25146360405450).

Almost surely, 2^{201122221120111} is an apocalyptic number.

201122221120111 is a deficient number, since it is larger than the sum of its proper divisors (48662123489).

201122221120111 is a wasteful number, since it uses less digits than its factorization.

201122221120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559865.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201122221120111 its reverse (111021122221102), we get a palindrome (312143343341213).

The spelling of 201122221120111 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred eleven".