1121322113 has 8 divisors (see below), whose sum is σ = 1143288000. Its totient is φ = 1099386288.

The previous prime is 1121322101. The next prime is 1121322119. The reversal of 1121322113 is 3112231211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121322113 - 2¹⁸ = 1121059969 is a prime.

It is a super-2 number, since 2×1121322113² = 2514726562205569538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121322091 and 1121322100.

It is not an unprimeable number, because it can be changed into a prime (1121322119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76988 + ... + 90386.

It is an arithmetic number, because the mean of its divisors is an integer number (142911000).

Almost surely, 2^1121322113 is an apocalyptic number.

It is an amenable number.

1121322113 is a deficient number, since it is larger than the sum of its proper divisors (21965887).

1121322113 is a wasteful number, since it uses less digits than its factorization.

1121322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15031.

The product of its digits is 72, while the sum is 17.

The square root of 1121322113 is about 33486.1480764808. The cubic root of 1121322113 is about 1038.9072944427.

Adding to 1121322113 its reverse (3112231211), we get a palindrome (4233553324).

The spelling of 1121322113 in words is "one billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred thirteen".