201122211020011 has 8 divisors (see below), whose sum is σ = 213763004049920. Its totient is φ = 188686959340392.

The previous prime is 201122211019991. The next prime is 201122211020047. The reversal of 201122211020011 is 110020112221102.

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 201122211020011 - 2⁷ = 201122211019883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201122211020411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51385335555 + ... + 51385339468.

It is an arithmetic number, because the mean of its divisors is an integer number (26720375506240).

Almost surely, 2^{201122211020011} is an apocalyptic number.

201122211020011 is a deficient number, since it is larger than the sum of its proper divisors (12640793029909).

201122211020011 is a wasteful number, since it uses less digits than its factorization.

201122211020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102770675145.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201122211020011 its reverse (110020112221102), we get a palindrome (311142323241113).

The spelling of 201122211020011 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred eleven million, twenty thousand, eleven".