2102102221012 has 24 divisors (see below), whose sum is σ = 3684636962496. Its totient is φ = 1049349045888.

The previous prime is 2102102220961. The next prime is 2102102221013. The reversal of 2102102221012 is 2101222012012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102102221013) 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, 53274963 + ... + 53314405.

It is an arithmetic number, because the mean of its divisors is an integer number (153526540104).

Almost surely, 2^{2102102221012} is an apocalyptic number.

It is an amenable number.

2102102221012 is a deficient number, since it is larger than the sum of its proper divisors (1582534741484).

2102102221012 is a wasteful number, since it uses less digits than its factorization.

2102102221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60687 (or 60685 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102102221012 its reverse (2101222012012), we get a palindrome (4203324233024).

The spelling of 2102102221012 in words is "two trillion, one hundred two billion, one hundred two million, two hundred twenty-one thousand, twelve".