11000202000021 has 48 divisors (see below), whose sum is σ = 17165797464816. Its totient is φ = 6747863251968.

The previous prime is 11000201999957. The next prime is 11000202000023. The reversal of 11000202000021 is 12000020200011.

It can be written as a sum of positive squares in 8 ways, for example, as 2637197363025 + 8363004636996 = 1623945^2 + 2891886^2 .

It is not a de Polignac number, because 11000202000021 - 2⁶ = 11000201999957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11000201999967 and 11000202000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000202000023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89533585 + ... + 89656361.

It is an arithmetic number, because the mean of its divisors is an integer number (357620780517).

Almost surely, 2^{11000202000021} is an apocalyptic number.

It is an amenable number.

11000202000021 is a deficient number, since it is larger than the sum of its proper divisors (6165595464795).

11000202000021 is a wasteful number, since it uses less digits than its factorization.

11000202000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125222 (or 125219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11000202000021 its reverse (12000020200011), we get a palindrome (23000222200032).

The spelling of 11000202000021 in words is "eleven trillion, two hundred two million, twenty-one", and thus it is an aban number.