2221013200120 has 64 divisors (see below), whose sum is σ = 5870930012640. Its totient is φ = 745514918400.

The previous prime is 2221013200079. The next prime is 2221013200123. The reversal of 2221013200120 is 210023101222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221013200094 and 2221013200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221013200123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194138791 + ... + 194150230.

Almost surely, 2^{2221013200120} is an apocalyptic number.

2221013200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221013200120 is an abundant number, since it is smaller than the sum of its proper divisors (3649916812520).

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

2221013200120 is a wasteful number, since it uses less digits than its factorization.

2221013200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388289056 (or 388289052 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2221013200120 its reverse (210023101222), we get a palindrome (2431036301342).

The spelling of 2221013200120 in words is "two trillion, two hundred twenty-one billion, thirteen million, two hundred thousand, one hundred twenty".