1131211122 has 16 divisors (see below), whose sum is σ = 2273793600. Its totient is φ = 375175152.

The previous prime is 1131211117. The next prime is 1131211153. The reversal of 1131211122 is 2211121311.

1131211122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472513 + ... + 474900.

It is an arithmetic number, because the mean of its divisors is an integer number (142112100).

Almost surely, 2^1131211122 is an apocalyptic number.

1131211122 is an abundant number, since it is smaller than the sum of its proper divisors (1142582478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131211122 is a wasteful number, since it uses less digits than its factorization.

1131211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947617.

The product of its digits is 24, while the sum is 15.

The square root of 1131211122 is about 33633.4821569221. The cubic root of 1131211122 is about 1041.9524227254.

Adding to 1131211122 its reverse (2211121311), we get a palindrome (3342332433).

The spelling of 1131211122 in words is "one billion, one hundred thirty-one million, two hundred eleven thousand, one hundred twenty-two".