101210001 has 8 divisors (see below), whose sum is σ = 135701280. Its totient is φ = 67096032.

The previous prime is 101209991. The next prime is 101210077. The reversal of 101210001 is 100012101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101210001 - 2⁶ = 101209937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93700 + ... + 94773.

It is an arithmetic number, because the mean of its divisors is an integer number (16962660).

Almost surely, 2^101210001 is an apocalyptic number.

It is an amenable number.

101210001 is a deficient number, since it is larger than the sum of its proper divisors (34491279).

101210001 is a wasteful number, since it uses less digits than its factorization.

101210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188655.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 101210001 is about 10060.3181361227. The cubic root of 101210001 is about 466.0234919113.

Adding to 101210001 its reverse (100012101), we get a palindrome (201222102).

The spelling of 101210001 in words is "one hundred one million, two hundred ten thousand, one".