202102211330 has 16 divisors (see below), whose sum is σ = 376328256120. Its totient is φ = 78053267712.

The previous prime is 202102211327. The next prime is 202102211347. The reversal of 202102211330 is 33112201202.

It can be written as a sum of positive squares in 4 ways, for example, as 155777827969 + 46324383361 = 394687^2 + 215231^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202102211299 and 202102211308.

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, 348451799 + ... + 348452378.

Almost surely, 2^202102211330 is an apocalyptic number.

202102211330 is a deficient number, since it is larger than the sum of its proper divisors (174226044790).

202102211330 is a wasteful number, since it uses less digits than its factorization.

202102211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696904213.

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

Adding to 202102211330 its reverse (33112201202), we get a palindrome (235214412532).

The spelling of 202102211330 in words is "two hundred two billion, one hundred two million, two hundred eleven thousand, three hundred thirty".