201122112102211 has 16 divisors (see below), whose sum is σ = 212051961596160. Its totient is φ = 190226775926880.

The previous prime is 201122112102193. The next prime is 201122112102221. The reversal of 201122112102211 is 112201211221102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201122112102211 - 2⁷ = 201122112102083 is a prime.

It is a super-2 number, since 2×201122112102211² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201122112102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109697940 + ... + 111516286.

It is an arithmetic number, because the mean of its divisors is an integer number (13253247599760).

Almost surely, 2^{201122112102211} is an apocalyptic number.

201122112102211 is a deficient number, since it is larger than the sum of its proper divisors (10929849493949).

201122112102211 is a wasteful number, since it uses less digits than its factorization.

201122112102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827834.

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

Adding to 201122112102211 its reverse (112201211221102), we get a palindrome (313323323323313).

The spelling of 201122112102211 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred two thousand, two hundred eleven".