11000021022021 has 8 divisors (see below), whose sum is σ = 14667310340704. Its totient is φ = 7333039525680.

The previous prime is 11000021021981. The next prime is 11000021022061. The reversal of 11000021022021 is 12022012000011.

It is an interprime number because it is at equal distance from previous prime (11000021021981) and next prime (11000021022061).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11000021022021 - 2¹¹ = 11000021019973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11000021021988 and 11000021022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000021022061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76872190 + ... + 77015151.

It is an arithmetic number, because the mean of its divisors is an integer number (1833413792588).

Almost surely, 2^{11000021022021} is an apocalyptic number.

It is an amenable number.

11000021022021 is a deficient number, since it is larger than the sum of its proper divisors (3667289318683).

11000021022021 is a wasteful number, since it uses less digits than its factorization.

11000021022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153911171.

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

Adding to 11000021022021 its reverse (12022012000011), we get a palindrome (23022033022032).

The spelling of 11000021022021 in words is "eleven trillion, twenty-one million, twenty-two thousand, twenty-one".