1001202221224 has 16 divisors (see below), whose sum is σ = 1893867035220. Its totient is φ = 496171011840.

The previous prime is 1001202221213. The next prime is 1001202221249. The reversal of 1001202221224 is 4221222021001.

It can be written as a sum of positive squares in 2 ways, for example, as 666329364100 + 334872857124 = 816290^2 + 578682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553761387 + ... + 553763194.

Almost surely, 2^{1001202221224} is an apocalyptic number.

It is an amenable number.

1001202221224 is a deficient number, since it is larger than the sum of its proper divisors (892664813996).

1001202221224 is a wasteful number, since it uses less digits than its factorization.

1001202221224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107524700 (or 1107524696 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1001202221224 its reverse (4221222021001), we get a palindrome (5222424242225).

The spelling of 1001202221224 in words is "one trillion, one billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-four".