201020022100121 has 8 divisors (see below), whose sum is σ = 230485497654720. Its totient is φ = 171741628930608.

The previous prime is 201020022100061. The next prime is 201020022100127. The reversal of 201020022100121 is 121001220020102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201020022100121 - 2¹⁰ = 201020022099097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201020022100096 and 201020022100105.

It is not an unprimeable number, because it can be changed into a prime (201020022100127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46770593966 + ... + 46770598263.

It is an arithmetic number, because the mean of its divisors is an integer number (28810687206840).

Almost surely, 2^{201020022100121} is an apocalyptic number.

It is an amenable number.

201020022100121 is a deficient number, since it is larger than the sum of its proper divisors (29465475554599).

201020022100121 is an equidigital number, since it uses as much as digits as its factorization.

201020022100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93541192543.

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

Adding to 201020022100121 its reverse (121001220020102), we get a palindrome (322021242120223).

The spelling of 201020022100121 in words is "two hundred one trillion, twenty billion, twenty-two million, one hundred thousand, one hundred twenty-one".