210002021011 has 12 divisors (see below), whose sum is σ = 212513196672. Its totient is φ = 207514770000.

The previous prime is 210002020937. The next prime is 210002021017. The reversal of 210002021011 is 110120200012.

It is not a de Polignac number, because 210002021011 - 2¹⁵ = 210001988243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002021017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4330881 + ... + 4379101.

It is an arithmetic number, because the mean of its divisors is an integer number (17709433056).

Almost surely, 2^210002021011 is an apocalyptic number.

210002021011 is a deficient number, since it is larger than the sum of its proper divisors (2511175661).

210002021011 is an equidigital number, since it uses as much as digits as its factorization.

210002021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48714 (or 48563 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210002021011 its reverse (110120200012), we get a palindrome (320122221023).

The spelling of 210002021011 in words is "two hundred ten billion, two million, twenty-one thousand, eleven".