1131222000211 has 16 divisors (see below), whose sum is σ = 1161276732000. Its totient is φ = 1101343154688.

The previous prime is 1131222000179. The next prime is 1131222000257. The reversal of 1131222000211 is 1120002221311.

It is a cyclic number.

It is not a de Polignac number, because 1131222000211 - 2⁵ = 1131222000179 is a prime.

It is a super-2 number, since 2×1131222000211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131222000511) 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, 17411515 + ... + 17476363.

It is an arithmetic number, because the mean of its divisors is an integer number (72579795750).

Almost surely, 2^{1131222000211} is an apocalyptic number.

1131222000211 is a deficient number, since it is larger than the sum of its proper divisors (30054731789).

1131222000211 is an equidigital number, since it uses as much as digits as its factorization.

1131222000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66198.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1131222000211 its reverse (1120002221311), we get a palindrome (2251224221522).

The spelling of 1131222000211 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred eleven", and thus it is an aban number.