11000211022021 has 24 divisors (see below), whose sum is σ = 12305373606344. Its totient is φ = 9774806630400.

The previous prime is 11000211021907. The next prime is 11000211022033. The reversal of 11000211022021 is 12022011200011.

It can be written as a sum of positive squares in 12 ways, for example, as 3984970145121 + 7015240876900 = 1996239^2 + 2648630^2 .

It is not a de Polignac number, because 11000211022021 - 2⁹ = 11000211021509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11000211021992 and 11000211022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000211022121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2191621 + ... + 5177221.

Almost surely, 2^{11000211022021} is an apocalyptic number.

It is an amenable number.

11000211022021 is a deficient number, since it is larger than the sum of its proper divisors (1305162584323).

11000211022021 is a wasteful number, since it uses less digits than its factorization.

11000211022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986009 (or 2985980 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11000211022021 its reverse (12022011200011), we get a palindrome (23022222222032).

The spelling of 11000211022021 in words is "eleven trillion, two hundred eleven million, twenty-two thousand, twenty-one".