10000211021001 has 20 divisors (see below), whose sum is σ = 15056213517312. Its totient is φ = 6614312794488.

The previous prime is 10000211020981. The next prime is 10000211021027. The reversal of 10000211021001 is 10012011200001.

It is a happy number.

It is not a de Polignac number, because 10000211021001 - 2¹⁰ = 10000211019977 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (10000211028001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 486050325 + ... + 486070898.

Almost surely, 2^{10000211021001} is an apocalyptic number.

It is an amenable number.

10000211021001 is a deficient number, since it is larger than the sum of its proper divisors (5056002496311).

10000211021001 is an equidigital number, since it uses as much as digits as its factorization.

10000211021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972121362 (or 972121353 counting only the distinct ones).

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

Adding to 10000211021001 its reverse (10012011200001), we get a palindrome (20012222221002).

The spelling of 10000211021001 in words is "ten trillion, two hundred eleven million, twenty-one thousand, one".