1131221054034 has 24 divisors (see below), whose sum is σ = 2476246778460. Its totient is φ = 373186326528.

The previous prime is 1131221054027. The next prime is 1131221054077. The reversal of 1131221054034 is 4304501221311.

1131221054034 is a `hidden beast` number, since 1 + 1 + 31 + 221 + 0 + 5 + 403 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 945629829225 + 185591224809 = 972435^2 + 430803^2 .

It is a super-2 number, since 2×1131221054034² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131221053989 and 1131221054007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323944719 + ... + 323948210.

Almost surely, 2^{1131221054034} is an apocalyptic number.

1131221054034 is an abundant number, since it is smaller than the sum of its proper divisors (1345025724426).

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

1131221054034 is a wasteful number, since it uses less digits than its factorization.

1131221054034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647893034 (or 647893031 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1131221054034 its reverse (4304501221311), we get a palindrome (5435722275345).

The spelling of 1131221054034 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-one million, fifty-four thousand, thirty-four".