20201121001202 has 32 divisors (see below), whose sum is σ = 31068053982000. Its totient is φ = 9845538734080.

The previous prime is 20201121001153. The next prime is 20201121001241. The reversal of 20201121001202 is 20210012110202.

It can be written as a sum of positive squares in 8 ways, for example, as 7397469789241 + 12803651211961 = 2719829^2 + 3578219^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282684424 + ... + 1282700172.

Almost surely, 2^{20201121001202} is an apocalyptic number.

20201121001202 is a deficient number, since it is larger than the sum of its proper divisors (10866932980798).

20201121001202 is a wasteful number, since it uses less digits than its factorization.

20201121001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28558.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20201121001202 its reverse (20210012110202), we get a palindrome (40411133111404).

The spelling of 20201121001202 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, one thousand, two hundred two".