2002010021010 has 96 divisors (see below), whose sum is σ = 5325596640000. Its totient is φ = 521639568000.

The previous prime is 2002010021009. The next prime is 2002010021059. The reversal of 2002010021010 is 101200102002.

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 = 2002010020983 and 2002010021001.

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, 378510 + ... + 2036489.

It is an arithmetic number, because the mean of its divisors is an integer number (55474965000).

Almost surely, 2^{2002010021010} is an apocalyptic number.

2002010021010 is an abundant number, since it is smaller than the sum of its proper divisors (3323586618990).

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

2002010021010 is a wasteful number, since it uses less digits than its factorization.

2002010021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415224 (or 2415221 counting only the distinct ones).

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

Adding to 2002010021010 its reverse (101200102002), we get a palindrome (2103210123012).

The spelling of 2002010021010 in words is "two trillion, two billion, ten million, twenty-one thousand, ten".