2221231301000 has 32 divisors (see below), whose sum is σ = 5197681246680. Its totient is φ = 888492520000.

The previous prime is 2221231300999. The next prime is 2221231301041. The reversal of 2221231301000 is 1031321222.

It can be written as a sum of positive squares in 4 ways, for example, as 1194426038404 + 1026805262596 = 1092898^2 + 1013314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221231301000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110614651 + ... + 1110616650.

Almost surely, 2^{2221231301000} is an apocalyptic number.

2221231301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221231301000 is an abundant number, since it is smaller than the sum of its proper divisors (2976449945680).

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

2221231301000 is a wasteful number, since it uses less digits than its factorization.

2221231301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221231322 (or 2221231308 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2221231301000 its reverse (1031321222), we get a palindrome (2222262622222).

The spelling of 2221231301000 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred one thousand".