201011221110111 has 8 divisors (see below), whose sum is σ = 268345436158464. Its totient is φ = 133842243400920.

The previous prime is 201011221110067. The next prime is 201011221110157. The reversal of 201011221110111 is 111011122110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201011221110111 - 2¹⁷ = 201011220979039 is a prime.

It is a super-2 number, since 2×201011221110111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011221114111) 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, 41309331951 + ... + 41309336816.

It is an arithmetic number, because the mean of its divisors is an integer number (33543179519808).

Almost surely, 2^{201011221110111} is an apocalyptic number.

201011221110111 is a deficient number, since it is larger than the sum of its proper divisors (67334215048353).

201011221110111 is an equidigital number, since it uses as much as digits as its factorization.

201011221110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82618669581.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 201011221110111 its reverse (111011122110102), we get a palindrome (312022343220213).

Subtracting from 201011221110111 its reverse (111011122110102), we obtain a palindrome (90000099000009).

The spelling of 201011221110111 in words is "two hundred one trillion, eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred eleven".