1121332212531 has 12 divisors (see below), whose sum is σ = 1639216568808. Its totient is φ = 738548123424.

The previous prime is 1121332212523. The next prime is 1121332212547. The reversal of 1121332212531 is 1352122331211.

1121332212531 is a `hidden beast` number, since 1 + 1 + 213 + 322 + 125 + 3 + 1 = 666.

It is not a de Polignac number, because 1121332212531 - 2³ = 1121332212523 is a prime.

It is a super-2 number, since 2×1121332212531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121332212495 and 1121332212504.

It is not an unprimeable number, because it can be changed into a prime (1121332219531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750556290 + ... + 750557783.

It is an arithmetic number, because the mean of its divisors is an integer number (136601380734).

Almost surely, 2^{1121332212531} is an apocalyptic number.

1121332212531 is a deficient number, since it is larger than the sum of its proper divisors (517884356277).

1121332212531 is a wasteful number, since it uses less digits than its factorization.

1121332212531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501114162 (or 1501114159 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

Adding to 1121332212531 its reverse (1352122331211), we get a palindrome (2473454543742).

The spelling of 1121332212531 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-two million, two hundred twelve thousand, five hundred thirty-one".