202022010000121 has 4 divisors (see below), whose sum is σ = 202052348197200. Its totient is φ = 201991671803044.

The previous prime is 202022010000119. The next prime is 202022010000143. The reversal of 202022010000121 is 121000010220202.

It is a happy number.

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 202022010000121 - 2¹ = 202022010000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202022010000221) 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, 15169088551 + ... + 15169101868.

It is an arithmetic number, because the mean of its divisors is an integer number (50513087049300).

Almost surely, 2^{202022010000121} is an apocalyptic number.

It is an amenable number.

202022010000121 is a deficient number, since it is larger than the sum of its proper divisors (30338197079).

202022010000121 is an equidigital number, since it uses as much as digits as its factorization.

202022010000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30338197078.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202022010000121 its reverse (121000010220202), we get a palindrome (323022020220323).

The spelling of 202022010000121 in words is "two hundred two trillion, twenty-two billion, ten million, one hundred twenty-one", and thus it is an aban number.