1200221132211 has 12 divisors (see below), whose sum is σ = 1753131992040. Its totient is φ = 791157000480.

The previous prime is 1200221132137. The next prime is 1200221132213. The reversal of 1200221132211 is 1122311220021.

1200221132211 is a `hidden beast` number, since 1 + 200 + 221 + 1 + 32 + 211 = 666.

It is not a de Polignac number, because 1200221132211 - 2²⁷ = 1200086914483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200221132213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749200905 + ... + 749202506.

It is an arithmetic number, because the mean of its divisors is an integer number (146094332670).

Almost surely, 2^{1200221132211} is an apocalyptic number.

1200221132211 is a deficient number, since it is larger than the sum of its proper divisors (552910859829).

1200221132211 is a wasteful number, since it uses less digits than its factorization.

1200221132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498403506 (or 1498403503 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1200221132211 its reverse (1122311220021), we get a palindrome (2322532352232).

The spelling of 1200221132211 in words is "one trillion, two hundred billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred eleven".