1011220200011 has 24 divisors (see below), whose sum is σ = 1196316752400. Its totient is φ = 852101171712.

The previous prime is 1011220199971. The next prime is 1011220200037. The reversal of 1011220200011 is 1100020221101.

It is not a de Polignac number, because 1011220200011 - 2³⁴ = 994040330827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011220199965 and 1011220200001.

It is not an unprimeable number, because it can be changed into a prime (1011220200041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637715 + ... + 1558563.

It is an arithmetic number, because the mean of its divisors is an integer number (49846531350).

Almost surely, 2^{1011220200011} is an apocalyptic number.

1011220200011 is a deficient number, since it is larger than the sum of its proper divisors (185096552389).

1011220200011 is an equidigital number, since it uses as much as digits as its factorization.

1011220200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921243 (or 921236 counting only the distinct ones).

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

Adding to 1011220200011 its reverse (1100020221101), we get a palindrome (2111240421112).

The spelling of 1011220200011 in words is "one trillion, eleven billion, two hundred twenty million, two hundred thousand, eleven".