1121100412 has 12 divisors (see below), whose sum is σ = 1962562896. Its totient is φ = 560368160.

The previous prime is 1121100403. The next prime is 1121100413. The reversal of 1121100412 is 2140011211.

It is a super-2 number, since 2×1121100412² = 2513732267573139488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121100392 and 1121100401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121100413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31153 + ... + 56680.

It is an arithmetic number, because the mean of its divisors is an integer number (163546908).

Almost surely, 2^1121100412 is an apocalyptic number.

It is an amenable number.

1121100412 is a deficient number, since it is larger than the sum of its proper divisors (841462484).

1121100412 is a wasteful number, since it uses less digits than its factorization.

1121100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91028 (or 91026 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121100412 is about 33482.8375738975. The cubic root of 1121100412 is about 1038.8388211157.

Adding to 1121100412 its reverse (2140011211), we get a palindrome (3261111623).

The spelling of 1121100412 in words is "one billion, one hundred twenty-one million, one hundred thousand, four hundred twelve".