1001020221202 has 8 divisors (see below), whose sum is σ = 1502874587916. Its totient is φ = 500062025232.

The previous prime is 1001020221197. The next prime is 1001020221211. The reversal of 1001020221202 is 2021220201001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 882752323401 + 118267897801 = 939549^2 + 343901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 224039893 + ... + 224044360.

Almost surely, 2^{1001020221202} is an apocalyptic number.

1001020221202 is a deficient number, since it is larger than the sum of its proper divisors (501854366714).

1001020221202 is a wasteful number, since it uses less digits than its factorization.

1001020221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448085372.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001020221202 its reverse (2021220201001), we get a palindrome (3022240422203).

The spelling of 1001020221202 in words is "one trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred two".