201111022122211 has 8 divisors (see below), whose sum is σ = 203502121611264. Its totient is φ = 198732540573000.

The previous prime is 201111022122187. The next prime is 201111022122217. The reversal of 201111022122211 is 112221220111102.

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 201111022122211 - 2³⁹ = 200561266308323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201111022122217) 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, 3154452895 + ... + 3154516648.

It is an arithmetic number, because the mean of its divisors is an integer number (25437765201408).

Almost surely, 2^{201111022122211} is an apocalyptic number.

201111022122211 is a deficient number, since it is larger than the sum of its proper divisors (2391099489053).

201111022122211 is a wasteful number, since it uses less digits than its factorization.

201111022122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308969921.

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

Adding to 201111022122211 its reverse (112221220111102), we get a palindrome (313332242233313).

The spelling of 201111022122211 in words is "two hundred one trillion, one hundred eleven billion, twenty-two million, one hundred twenty-two thousand, two hundred eleven".