2101220202010 has 16 divisors (see below), whose sum is σ = 3782627344800. Its totient is φ = 840392307216.

The previous prime is 2101220202007. The next prime is 2101220202019. The reversal of 2101220202010 is 102020221012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2101220202019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11879520 + ... + 12055099.

It is an arithmetic number, because the mean of its divisors is an integer number (236414209050).

Almost surely, 2^{2101220202010} is an apocalyptic number.

2101220202010 is a deficient number, since it is larger than the sum of its proper divisors (1681407142790).

2101220202010 is a wasteful number, since it uses less digits than its factorization.

2101220202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23943405.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2101220202010 its reverse (102020221012), we get a palindrome (2203240423022).

The spelling of 2101220202010 in words is "two trillion, one hundred one billion, two hundred twenty million, two hundred two thousand, ten".