102001020211 has 8 divisors (see below), whose sum is σ = 105551460000. Its totient is φ = 98452791360.

The previous prime is 102001020181. The next prime is 102001020263. The reversal of 102001020211 is 112020100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102001020211 - 2⁵ = 102001020179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102001020271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458586 + ... + 643663.

It is an arithmetic number, because the mean of its divisors is an integer number (13193932500).

Almost surely, 2^102001020211 is an apocalyptic number.

102001020211 is a deficient number, since it is larger than the sum of its proper divisors (3550439789).

102001020211 is a wasteful number, since it uses less digits than its factorization.

102001020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105469.

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

Adding to 102001020211 its reverse (112020100201), we get a palindrome (214021120412).

The spelling of 102001020211 in words is "one hundred two billion, one million, twenty thousand, two hundred eleven".