2100221020010 has 8 divisors (see below), whose sum is σ = 3780397836036. Its totient is φ = 840088408000.

The previous prime is 2100221019983. The next prime is 2100221020033. The reversal of 2100221020010 is 100201220012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2032218462481 + 68002557529 = 1425559^2 + 260773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2100221019973 and 2100221020000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105011050991 + ... + 105011051010.

Almost surely, 2^{2100221020010} is an apocalyptic number.

2100221020010 is a deficient number, since it is larger than the sum of its proper divisors (1680176816026).

2100221020010 is a wasteful number, since it uses less digits than its factorization.

2100221020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210022102008.

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

Adding to 2100221020010 its reverse (100201220012), we get a palindrome (2200422240022).

The spelling of 2100221020010 in words is "two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, ten".