201020210022101 has 8 divisors (see below), whose sum is σ = 201357480058584. Its totient is φ = 200683040152320.

The previous prime is 201020210022091. The next prime is 201020210022167. The reversal of 201020210022101 is 101220012020102.

It can be written as a sum of positive squares in 4 ways, for example, as 59598786000625 + 141421424021476 = 7720025^2 + 11892074^2 .

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 201020210022101 - 2¹⁰ = 201020210021077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020210022301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21024056 + ... + 29052561.

It is an arithmetic number, because the mean of its divisors is an integer number (25169685007323).

Almost surely, 2^{201020210022101} is an apocalyptic number.

It is an amenable number.

201020210022101 is a deficient number, since it is larger than the sum of its proper divisors (337270036483).

201020210022101 is an equidigital number, since it uses as much as digits as its factorization.

201020210022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50083351.

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

Adding to 201020210022101 its reverse (101220012020102), we get a palindrome (302240222042203).

The spelling of 201020210022101 in words is "two hundred one trillion, twenty billion, two hundred ten million, twenty-two thousand, one hundred one".