2100220002010 has 24 divisors (see below), whose sum is σ = 4093564906620. Its totient is φ = 775465846272.

The previous prime is 2100220002007. The next prime is 2100220002011. The reversal of 2100220002010 is 102000220012.

It can be written as a sum of positive squares in 6 ways, for example, as 41686613929 + 2058533388081 = 204173^2 + 1434759^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2100220002011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 621365175 + ... + 621368554.

Almost surely, 2^{2100220002010} is an apocalyptic number.

2100220002010 is a deficient number, since it is larger than the sum of its proper divisors (1993344904610).

2100220002010 is a wasteful number, since it uses less digits than its factorization.

2100220002010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242733762 (or 1242733749 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2100220002010 its reverse (102000220012), we get a palindrome (2202220222022).

The spelling of 2100220002010 in words is "two trillion, one hundred billion, two hundred twenty million, two thousand, ten".