11001200021022 has 64 divisors (see below), whose sum is σ = 22622988960000. Its totient is φ = 3564476961024.

The previous prime is 11001200021011. The next prime is 11001200021099. The reversal of 11001200021022 is 22012000210011.

It is a junction number, because it is equal to n+sod(n) for n = 11001200020989 and 11001200021007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112785229 + ... + 112882727.

It is an arithmetic number, because the mean of its divisors is an integer number (353484202500).

Almost surely, 2^{11001200021022} is an apocalyptic number.

11001200021022 is an abundant number, since it is smaller than the sum of its proper divisors (11621788938978).

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

11001200021022 is a wasteful number, since it uses less digits than its factorization.

11001200021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99657.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001200021022 its reverse (22012000210011), we get a palindrome (33013200231033).

The spelling of 11001200021022 in words is "eleven trillion, one billion, two hundred million, twenty-one thousand, twenty-two".