1112021012 has 12 divisors (see below), whose sum is σ = 1946917056. Its totient is φ = 555759000.

The previous prime is 1112021011. The next prime is 1112021021. The reversal of 1112021012 is 2101202111.

It is a super-2 number, since 2×1112021012² = 2473181462259008288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112020984 and 1112021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112021011) 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, 52748 + ... + 70755.

It is an arithmetic number, because the mean of its divisors is an integer number (162243088).

Almost surely, 2^1112021012 is an apocalyptic number.

It is an amenable number.

1112021012 is a deficient number, since it is larger than the sum of its proper divisors (834896044).

1112021012 is a wasteful number, since it uses less digits than its factorization.

1112021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125758 (or 125756 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1112021012 is about 33346.9790535815. The cubic root of 1112021012 is about 1036.0268188721.

Adding to 1112021012 its reverse (2101202111), we get a palindrome (3213223123).

The spelling of 1112021012 in words is "one billion, one hundred twelve million, twenty-one thousand, twelve".