1011200022 has 48 divisors (see below), whose sum is σ = 2532085920. Its totient is φ = 285664896.

The previous prime is 1011200011. The next prime is 1011200041. The reversal of 1011200022 is 2200021101.

It is a super-3 number, since 3×1011200022³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011199977 and 1011200013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33873 + ... + 56300.

It is an arithmetic number, because the mean of its divisors is an integer number (52751790).

Almost surely, 2^1011200022 is an apocalyptic number.

1011200022 is an abundant number, since it is smaller than the sum of its proper divisors (1520885898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011200022 is a wasteful number, since it uses less digits than its factorization.

1011200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90277 (or 90274 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1011200022 is about 31799.3714088817. The cubic root of 1011200022 is about 1003.7194889163.

Adding to 1011200022 its reverse (2200021101), we get a palindrome (3211221123).

The spelling of 1011200022 in words is "one billion, eleven million, two hundred thousand, twenty-two".