2112021221010 has 16 divisors (see below), whose sum is σ = 5068850930496. Its totient is φ = 563205658928.

The previous prime is 2112021221003. The next prime is 2112021221041. The reversal of 2112021221010 is 101221202112.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 7 ways as a sum of consecutive naturals, for example, 35200353654 + ... + 35200353713.

It is an arithmetic number, because the mean of its divisors is an integer number (316803183156).

Almost surely, 2^{2112021221010} is an apocalyptic number.

2112021221010 is an abundant number, since it is smaller than the sum of its proper divisors (2956829709486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112021221010 is a wasteful number, since it uses less digits than its factorization.

2112021221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70400707377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112021221010 its reverse (101221202112), we get a palindrome (2213242423122).

The spelling of 2112021221010 in words is "two trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, ten".