2221022203120 has 80 divisors (see below), whose sum is σ = 6091946661888. Its totient is φ = 736929020160.

The previous prime is 2221022203097. The next prime is 2221022203121. The reversal of 2221022203120 is 213022201222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221022203121) 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, 63952174 + ... + 63986893.

Almost surely, 2^{2221022203120} is an apocalyptic number.

2221022203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221022203120 is an abundant number, since it is smaller than the sum of its proper divisors (3870924458768).

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

2221022203120 is a wasteful number, since it uses less digits than its factorization.

2221022203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127939118 (or 127939112 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2221022203120 its reverse (213022201222), we get a palindrome (2434044404342).

The spelling of 2221022203120 in words is "two trillion, two hundred twenty-one billion, twenty-two million, two hundred three thousand, one hundred twenty".