11212011201 has 4 divisors (see below), whose sum is σ = 14949348272. Its totient is φ = 7474674132.

The previous prime is 11212011179. The next prime is 11212011203. The reversal of 11212011201 is 10211021211.

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 not a de Polignac number, because 11212011201 - 2⁷ = 11212011073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212011203) 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, 1868668531 + ... + 1868668536.

It is an arithmetic number, because the mean of its divisors is an integer number (3737337068).

Almost surely, 2^11212011201 is an apocalyptic number.

It is an amenable number.

11212011201 is a deficient number, since it is larger than the sum of its proper divisors (3737337071).

11212011201 is an equidigital number, since it uses as much as digits as its factorization.

11212011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737337070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11212011201 its reverse (10211021211), we get a palindrome (21423032412).

It can be divided in two parts, 112120 and 11201, that added together give a palindrome (123321).

The spelling of 11212011201 in words is "eleven billion, two hundred twelve million, eleven thousand, two hundred one".