201012122101 has 8 divisors (see below), whose sum is σ = 229849000704. Its totient is φ = 172205458800.

The previous prime is 201012122099. The next prime is 201012122111. The reversal of 201012122101 is 101221210102.

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 201012122101 - 2¹ = 201012122099 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 (201012122111) 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, 7539565 + ... + 7566178.

It is an arithmetic number, because the mean of its divisors is an integer number (28731125088).

Almost surely, 2^201012122101 is an apocalyptic number.

It is an amenable number.

201012122101 is a deficient number, since it is larger than the sum of its proper divisors (28836878603).

201012122101 is a wasteful number, since it uses less digits than its factorization.

201012122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15107651.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201012122101 its reverse (101221210102), we get a palindrome (302233332203).

The spelling of 201012122101 in words is "two hundred one billion, twelve million, one hundred twenty-two thousand, one hundred one".