101001012201 has 12 divisors (see below), whose sum is σ = 146654177280. Its totient is φ = 66981472920.

The previous prime is 101001012199. The next prime is 101001012241. The reversal of 101001012201 is 102210100101.

It is a happy number.

It is not a de Polignac number, because 101001012201 - 2¹ = 101001012199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101001012241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29376121 + ... + 29379558.

It is an arithmetic number, because the mean of its divisors is an integer number (12221181440).

Almost surely, 2^101001012201 is an apocalyptic number.

It is an amenable number.

101001012201 is a deficient number, since it is larger than the sum of its proper divisors (45653165079).

101001012201 is a wasteful number, since it uses less digits than its factorization.

101001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58755876 (or 58755873 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101001012201 its reverse (102210100101), we get a palindrome (203211112302).

The spelling of 101001012201 in words is "one hundred one billion, one million, twelve thousand, two hundred one".