11000022121010 has 48 divisors (see below), whose sum is σ = 21440847526920. Its totient is φ = 4061439083520.

The previous prime is 11000022121003. The next prime is 11000022121019. The reversal of 11000022121010 is 1012122000011.

It can be written as a sum of positive squares in 12 ways, for example, as 148156477921 + 10851865643089 = 384911^2 + 3294217^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000022120982 and 11000022121000.

It is not an unprimeable number, because it can be changed into a prime (11000022121019) 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, 94394180 + ... + 94510640.

Almost surely, 2^{11000022121010} is an apocalyptic number.

11000022121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11000022121010 is a deficient number, since it is larger than the sum of its proper divisors (10440825405910).

11000022121010 is a wasteful number, since it uses less digits than its factorization.

11000022121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172383 (or 172370 counting only the distinct ones).

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

Adding to 11000022121010 its reverse (1012122000011), we get a palindrome (12012144121021).

The spelling of 11000022121010 in words is "eleven trillion, twenty-two million, one hundred twenty-one thousand, ten".