22021202102002 has 16 divisors (see below), whose sum is σ = 33253890643800. Its totient is φ = 10936573654528.

The previous prime is 22021202101963. The next prime is 22021202102033. The reversal of 22021202102002 is 20020120212022.

It can be written as a sum of positive squares in 4 ways, for example, as 14713430684481 + 7307771417521 = 3835809^2 + 2703289^2 .

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, 27485058 + ... + 28274914.

Almost surely, 2^{22021202102002} is an apocalyptic number.

22021202102002 is a deficient number, since it is larger than the sum of its proper divisors (11232688541798).

22021202102002 is a wasteful number, since it uses less digits than its factorization.

22021202102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883565.

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

Adding to 22021202102002 its reverse (20020120212022), we get a palindrome (42041322314024).

The spelling of 22021202102002 in words is "twenty-two trillion, twenty-one billion, two hundred two million, one hundred two thousand, two".