202020020121201 has 4 divisors (see below), whose sum is σ = 269360026828272. Its totient is φ = 134680013414132.

The previous prime is 202020020121167. The next prime is 202020020121203. The reversal of 202020020121201 is 102121020020202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202020020121201 - 2²¹ = 202020018024049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202020020121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33670003353531 + ... + 33670003353536.

It is an arithmetic number, because the mean of its divisors is an integer number (67340006707068).

Almost surely, 2^{202020020121201} is an apocalyptic number.

It is an amenable number.

202020020121201 is a deficient number, since it is larger than the sum of its proper divisors (67340006707071).

202020020121201 is an equidigital number, since it uses as much as digits as its factorization.

202020020121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67340006707070.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202020020121201 its reverse (102121020020202), we get a palindrome (304141040141403).

The spelling of 202020020121201 in words is "two hundred two trillion, twenty billion, twenty million, one hundred twenty-one thousand, two hundred one".