1131200222211 has 12 divisors (see below), whose sum is σ = 1704997436688. Its totient is φ = 721345069104.

The previous prime is 1131200222209. The next prime is 1131200222213. The reversal of 1131200222211 is 1122220021311.

1131200222211 is a `hidden beast` number, since 1 + 1 + 31 + 200 + 222 + 211 = 666.

It is an interprime number because it is at equal distance from previous prime (1131200222209) and next prime (1131200222213).

It is not a de Polignac number, because 1131200222211 - 2¹ = 1131200222209 is a prime.

It is a super-2 number, since 2×1131200222211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131200222213) 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, 2732367480 + ... + 2732367893.

It is an arithmetic number, because the mean of its divisors is an integer number (142083119724).

Almost surely, 2^{1131200222211} is an apocalyptic number.

1131200222211 is a deficient number, since it is larger than the sum of its proper divisors (573797214477).

1131200222211 is a wasteful number, since it uses less digits than its factorization.

1131200222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464735402 (or 5464735399 counting only the distinct ones).

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

Adding to 1131200222211 its reverse (1122220021311), we get a palindrome (2253420243522).

The spelling of 1131200222211 in words is "one trillion, one hundred thirty-one billion, two hundred million, two hundred twenty-two thousand, two hundred eleven".