211121110011201 has 16 divisors (see below), whose sum is σ = 303148568782080. Its totient is φ = 129920550975360.

The previous prime is 211121110011199. The next prime is 211121110011277. The reversal of 211121110011201 is 102110011121112.

It is not a de Polignac number, because 211121110011201 - 2¹ = 211121110011199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211121110012201) 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, 47887965 + ... + 52110453.

It is an arithmetic number, because the mean of its divisors is an integer number (18946785548880).

Almost surely, 2^{211121110011201} is an apocalyptic number.

It is an amenable number.

211121110011201 is a deficient number, since it is larger than the sum of its proper divisors (92027458770879).

211121110011201 is a wasteful number, since it uses less digits than its factorization.

211121110011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504536.

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

Adding to 211121110011201 its reverse (102110011121112), we get a palindrome (313231121132313).

The spelling of 211121110011201 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred ten million, eleven thousand, two hundred one".