20101100202010 has 8 divisors (see below), whose sum is σ = 36181980363636. Its totient is φ = 8040440080800.

The previous prime is 20101100201969. The next prime is 20101100202013. The reversal of 20101100202010 is 1020200110102.

It can be written as a sum of positive squares in 2 ways, for example, as 19785300036489 + 315800165521 = 4448067^2 + 561961^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2010110020201 = 20101100202010 / (2 + 0 + 1 + 0 + 1 + 1 + 0 + 0 + 2 + 0 + 2 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (20101100202013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005055010091 + ... + 1005055010110.

Almost surely, 2^{20101100202010} is an apocalyptic number.

20101100202010 is a deficient number, since it is larger than the sum of its proper divisors (16080880161626).

20101100202010 is a wasteful number, since it uses less digits than its factorization.

20101100202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010110020208.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101100202010 its reverse (1020200110102), we get a palindrome (21121300312112).

The spelling of 20101100202010 in words is "twenty trillion, one hundred one billion, one hundred million, two hundred two thousand, ten".