211122201202201 has 4 divisors (see below), whose sum is σ = 211122260024832. Its totient is φ = 211122142379572.

The previous prime is 211122201202117. The next prime is 211122201202219. The reversal of 211122201202201 is 102202102221112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211122201202201 - 2³³ = 211113611267609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122201202271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23651641 + ... + 31331206.

It is an arithmetic number, because the mean of its divisors is an integer number (52780565006208).

Almost surely, 2^{211122201202201} is an apocalyptic number.

It is an amenable number.

211122201202201 is a deficient number, since it is larger than the sum of its proper divisors (58822631).

211122201202201 is an equidigital number, since it uses as much as digits as its factorization.

211122201202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58822630.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 211122201202201 its reverse (102202102221112), we get a palindrome (313324303423313).

The spelling of 211122201202201 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, two hundred one".