1011100022012 has 24 divisors (see below), whose sum is σ = 1797948154800. Its totient is φ = 497463969920.

The previous prime is 1011100021993. The next prime is 1011100022057. The reversal of 1011100022012 is 2102200011101.

It is a junction number, because it is equal to n+sod(n) for n = 1011100021984 and 1011100022002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7863689 + ... + 7991232.

It is an arithmetic number, because the mean of its divisors is an integer number (74914506450).

Almost surely, 2^{1011100022012} is an apocalyptic number.

It is an amenable number.

1011100022012 is a deficient number, since it is larger than the sum of its proper divisors (786848132788).

1011100022012 is a wasteful number, since it uses less digits than its factorization.

1011100022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855181 (or 15855179 counting only the distinct ones).

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

Adding to 1011100022012 its reverse (2102200011101), we get a palindrome (3113300033113).

The spelling of 1011100022012 in words is "one trillion, eleven billion, one hundred million, twenty-two thousand, twelve".