201022001212101 has 4 divisors (see below), whose sum is σ = 268029334949472. Its totient is φ = 134014667474732.

The previous prime is 201022001212093. The next prime is 201022001212159. The reversal of 201022001212101 is 101212100220102.

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 201022001212101 - 2³ = 201022001212093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022001212001) 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, 33503666868681 + ... + 33503666868686.

It is an arithmetic number, because the mean of its divisors is an integer number (67007333737368).

Almost surely, 2^{201022001212101} is an apocalyptic number.

It is an amenable number.

201022001212101 is a deficient number, since it is larger than the sum of its proper divisors (67007333737371).

201022001212101 is an equidigital number, since it uses as much as digits as its factorization.

201022001212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67007333737370.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201022001212101 its reverse (101212100220102), we get a palindrome (302234101432203).

The spelling of 201022001212101 in words is "two hundred one trillion, twenty-two billion, one million, two hundred twelve thousand, one hundred one".