2102210020010 has 32 divisors (see below), whose sum is σ = 3918340126800. Its totient is φ = 811083248640.

The previous prime is 2102210020007. The next prime is 2102210020037. The reversal of 2102210020010 is 100200122012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1248513482161 + 853696537849 = 1117369^2 + 923957^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2102210019973 and 2102210020000.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3299561 + ... + 3884780.

Almost surely, 2^{2102210020010} is an apocalyptic number.

2102210020010 is a deficient number, since it is larger than the sum of its proper divisors (1816130106790).

2102210020010 is a wasteful number, since it uses less digits than its factorization.

2102210020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185386.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2102210020010 its reverse (100200122012), we get a palindrome (2202410142022).

The spelling of 2102210020010 in words is "two trillion, one hundred two billion, two hundred ten million, twenty thousand, ten".