210002002011021 has 32 divisors (see below), whose sum is σ = 307784511014400. Its totient is φ = 126307791691200.

The previous prime is 210002002010989. The next prime is 210002002011077. The reversal of 210002002011021 is 120110200200012.

It is not a de Polignac number, because 210002002011021 - 2⁵ = 210002002010989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210002002010988 and 210002002011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002000011021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40778655 + ... + 45638828.

It is an arithmetic number, because the mean of its divisors is an integer number (9618265969200).

Almost surely, 2^{210002002011021} is an apocalyptic number.

It is an amenable number.

210002002011021 is a deficient number, since it is larger than the sum of its proper divisors (97782509003379).

210002002011021 is a wasteful number, since it uses less digits than its factorization.

210002002011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86418057.

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

Adding to 210002002011021 its reverse (120110200200012), we get a palindrome (330112202211033).

The spelling of 210002002011021 in words is "two hundred ten trillion, two billion, two million, eleven thousand, twenty-one".