2102001210 has 96 divisors (see below), whose sum is σ = 5910008832. Its totient is φ = 516318720.

The previous prime is 2102001203. The next prime is 2102001233. The reversal of 2102001210 is 121002012.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2102001192 and 2102001201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57295 + ... + 86525.

It is an arithmetic number, because the mean of its divisors is an integer number (61562592).

Almost surely, 2^2102001210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2955004416).

2102001210 is an abundant number, since it is smaller than the sum of its proper divisors (3808007622).

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

2102001210 is a wasteful number, since it uses less digits than its factorization.

2102001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29308 (or 29305 counting only the distinct ones).

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

The square root of 2102001210 is about 45847.5867412888. The cubic root of 2102001210 is about 1280.9858148623.

Adding to 2102001210 its reverse (121002012), we get a palindrome (2223003222).

The spelling of 2102001210 in words is "two billion, one hundred two million, one thousand, two hundred ten".