201000000101 has 8 divisors (see below), whose sum is σ = 212309078784. Its totient is φ = 189992496960.

The previous prime is 201000000079. The next prime is 201000000127. The reversal of 201000000101 is 101000000102.

It is a happy number.

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 201000000101 - 2¹⁸ = 200999737957 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 (201000000161) 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, 75392516 + ... + 75395181.

It is an arithmetic number, because the mean of its divisors is an integer number (26538634848).

Almost surely, 2^201000000101 is an apocalyptic number.

It is an amenable number.

201000000101 is a deficient number, since it is larger than the sum of its proper divisors (11309078683).

201000000101 is a wasteful number, since it uses less digits than its factorization.

201000000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150787771.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 201000000101 its reverse (101000000102), we get a palindrome (302000000203).

Subtracting from 201000000101 its reverse (101000000102), we obtain a palindrome (99999999999).

The spelling of 201000000101 in words is "two hundred one billion, one hundred one", and thus it is an aban number.