2001201021202 has 16 divisors (see below), whose sum is σ = 3058484014872. Its totient is φ = 981706901760.

The previous prime is 2001201021179. The next prime is 2001201021229. The reversal of 2001201021202 is 2021201021002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1370985733881 + 630215287321 = 1170891^2 + 793861^2 .

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, 13172458 + ... + 13323514.

Almost surely, 2^{2001201021202} is an apocalyptic number.

2001201021202 is a deficient number, since it is larger than the sum of its proper divisors (1057282993670).

2001201021202 is a wasteful number, since it uses less digits than its factorization.

2001201021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276093.

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

Adding to 2001201021202 its reverse (2021201021002), we get a palindrome (4022402042204).

The spelling of 2001201021202 in words is "two trillion, one billion, two hundred one million, twenty-one thousand, two hundred two".