2001210102 has 24 divisors (see below), whose sum is σ = 4336995936. Its totient is φ = 666909936.

The previous prime is 2001210073. The next prime is 2001210109. The reversal of 2001210102 is 2010121002.

2001210102 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001210109) 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, 82248 + ... + 103764.

It is an arithmetic number, because the mean of its divisors is an integer number (180708164).

Almost surely, 2^2001210102 is an apocalyptic number.

2001210102 is an abundant number, since it is smaller than the sum of its proper divisors (2335785834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001210102 is a wasteful number, since it uses less digits than its factorization.

2001210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26692 (or 26689 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001210102 is about 44734.8868557863. The cubic root of 2001210102 is about 1260.1751041602.

Adding to 2001210102 its reverse (2010121002), we get a palindrome (4011331104).

The spelling of 2001210102 in words is "two billion, one million, two hundred ten thousand, one hundred two".