1111022012 has 24 divisors (see below), whose sum is σ = 2065721616. Its totient is φ = 521040128.

The previous prime is 1111022009. The next prime is 1111022021. The reversal of 1111022012 is 2102201111.

It is a super-2 number, since 2×1111022012² = 2468739822297056288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111021984 and 1111022002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7958 + ... + 47805.

It is an arithmetic number, because the mean of its divisors is an integer number (86071734).

Almost surely, 2^1111022012 is an apocalyptic number.

It is an amenable number.

1111022012 is a deficient number, since it is larger than the sum of its proper divisors (954699604).

1111022012 is a wasteful number, since it uses less digits than its factorization.

1111022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56077 (or 56075 counting only the distinct ones).

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

The square root of 1111022012 is about 33331.9968198726. The cubic root of 1111022012 is about 1035.7164827458.

Adding to 1111022012 its reverse (2102201111), we get a palindrome (3213223123).

The spelling of 1111022012 in words is "one billion, one hundred eleven million, twenty-two thousand, twelve".