10000021210011 has 24 divisors (see below), whose sum is σ = 16508124039680. Its totient is φ = 5714245039536.

The previous prime is 10000021209961. The next prime is 10000021210051. The reversal of 10000021210011 is 11001212000001.

It is a happy number.

10000021210011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10000021210011 - 2⁶ = 10000021209947 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 = 10000021209975 and 10000021210002.

It is not an unprimeable number, because it can be changed into a prime (10000021210051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6739356 + ... + 8088198.

Almost surely, 2^{10000021210011} is an apocalyptic number.

10000021210011 is a deficient number, since it is larger than the sum of its proper divisors (6508102829669).

10000021210011 is a wasteful number, since it uses less digits than its factorization.

10000021210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466535 (or 1466532 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10000021210011 its reverse (11001212000001), we get a palindrome (21001233210012).

The spelling of 10000021210011 in words is "ten trillion, twenty-one million, two hundred ten thousand, eleven".