2000021001210 has 96 divisors (see below), whose sum is σ = 5228252265600. Its totient is φ = 530448994944.

The previous prime is 2000021001191. The next prime is 2000021001211. The reversal of 2000021001210 is 121001200002.

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 = 2000021001192 and 2000021001201.

It is not an unprimeable number, because it can be changed into a prime (2000021001211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48210897 + ... + 48252363.

It is an arithmetic number, because the mean of its divisors is an integer number (54460961100).

Almost surely, 2^{2000021001210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000021001210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614126132800).

2000021001210 is an abundant number, since it is smaller than the sum of its proper divisors (3228231264390).

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

2000021001210 is a wasteful number, since it uses less digits than its factorization.

2000021001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44372 (or 44369 counting only the distinct ones).

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

Adding to 2000021001210 its reverse (121001200002), we get a palindrome (2121022201212).

The spelling of 2000021001210 in words is "two trillion, twenty-one million, one thousand, two hundred ten".