1201112232211 has 4 divisors (see below), whose sum is σ = 1201540744552. Its totient is φ = 1200683719872.

The previous prime is 1201112232197. The next prime is 1201112232247. The reversal of 1201112232211 is 1122322111021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201112232211 - 2¹⁷ = 1201112101139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201112232811) 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, 214251966 + ... + 214257571.

It is an arithmetic number, because the mean of its divisors is an integer number (300385186138).

Almost surely, 2^{1201112232211} is an apocalyptic number.

1201112232211 is a deficient number, since it is larger than the sum of its proper divisors (428512341).

1201112232211 is an equidigital number, since it uses as much as digits as its factorization.

1201112232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428512340.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1201112232211 its reverse (1122322111021), we get a palindrome (2323434343232).

The spelling of 1201112232211 in words is "one trillion, two hundred one billion, one hundred twelve million, two hundred thirty-two thousand, two hundred eleven".