11012000022021 has 4 divisors (see below), whose sum is σ = 14682666696032. Its totient is φ = 7341333348012.

The previous prime is 11012000021879. The next prime is 11012000022091. The reversal of 11012000022021 is 12022000021011.

11012000022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11012000022021 - 2¹⁰ = 11012000020997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012000021988 and 11012000022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012000022091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835333337001 + ... + 1835333337006.

It is an arithmetic number, because the mean of its divisors is an integer number (3670666674008).

Almost surely, 2^{11012000022021} is an apocalyptic number.

It is an amenable number.

11012000022021 is a deficient number, since it is larger than the sum of its proper divisors (3670666674011).

11012000022021 is an equidigital number, since it uses as much as digits as its factorization.

11012000022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670666674010.

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

Adding to 11012000022021 its reverse (12022000021011), we get a palindrome (23034000043032).

The spelling of 11012000022021 in words is "eleven trillion, twelve billion, twenty-two thousand, twenty-one".