1121231122 has 16 divisors (see below), whose sum is σ = 1835265600. Its totient is φ = 509505040.

The previous prime is 1121231113. The next prime is 1121231143. The reversal of 1121231122 is 2211321211.

It is a junction number, because it is equal to n+sod(n) for n = 1121231096 and 1121231105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125004 + ... + 133672.

It is an arithmetic number, because the mean of its divisors is an integer number (114704100).

Almost surely, 2^1121231122 is an apocalyptic number.

1121231122 is a deficient number, since it is larger than the sum of its proper divisors (714034478).

1121231122 is a wasteful number, since it uses less digits than its factorization.

1121231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14561.

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

The square root of 1121231122 is about 33484.7894125079. The cubic root of 1121231122 is about 1038.8791925650.

Adding to 1121231122 its reverse (2211321211), we get a palindrome (3332552333).

The spelling of 1121231122 in words is "one billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred twenty-two".