2221232021200 has 60 divisors (see below), whose sum is σ = 5355367129408. Its totient is φ = 885353212800.

The previous prime is 2221232021171. The next prime is 2221232021221. The reversal of 2221232021200 is 21202321222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9697896 + ... + 9924295.

Almost surely, 2^{2221232021200} is an apocalyptic number.

2221232021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221232021200 is an abundant number, since it is smaller than the sum of its proper divisors (3134135108208).

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

2221232021200 is a wasteful number, since it uses less digits than its factorization.

2221232021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622492 (or 19622481 counting only the distinct ones).

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

Adding to 2221232021200 its reverse (21202321222), we get a palindrome (2242434342422).

The spelling of 2221232021200 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-two million, twenty-one thousand, two hundred".