10202220210202 has 16 divisors (see below), whose sum is σ = 15340302040392. Its totient is φ = 5088787179840.

The previous prime is 10202220210163. The next prime is 10202220210239. The reversal of 10202220210202 is 20201202220201.

It can be written as a sum of positive squares in 4 ways, for example, as 6269570295921 + 3932649914281 = 2503911^2 + 1983091^2 .

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, 21704088 + ... + 22169164.

Almost surely, 2^{10202220210202} is an apocalyptic number.

10202220210202 is a deficient number, since it is larger than the sum of its proper divisors (5138081830190).

10202220210202 is a wasteful number, since it uses less digits than its factorization.

10202220210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491553.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10202220210202 its reverse (20201202220201), we get a palindrome (30403422430403).

The spelling of 10202220210202 in words is "ten trillion, two hundred two billion, two hundred twenty million, two hundred ten thousand, two hundred two".