211022111201 has 16 divisors (see below), whose sum is σ = 236832942528. Its totient is φ = 186355948800.

The previous prime is 211022111189. The next prime is 211022111219. The reversal of 211022111201 is 102111220112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211022111201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211022111281) 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, 898991 + ... + 1109156.

It is an arithmetic number, because the mean of its divisors is an integer number (14802058908).

Almost surely, 2^211022111201 is an apocalyptic number.

It is an amenable number.

211022111201 is a deficient number, since it is larger than the sum of its proper divisors (25810831327).

211022111201 is a wasteful number, since it uses less digits than its factorization.

211022111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008432.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211022111201 its reverse (102111220112), we get a palindrome (313133331313).

It can be divided in two parts, 211022 and 111201, that added together give a palindrome (322223).

The spelling of 211022111201 in words is "two hundred eleven billion, twenty-two million, one hundred eleven thousand, two hundred one".