101220105201 has 8 divisors (see below), whose sum is σ = 135037665984. Its totient is φ = 67441307280.

The previous prime is 101220105193. The next prime is 101220105227. The reversal of 101220105201 is 102501022101.

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

It is not a de Polignac number, because 101220105201 - 2³ = 101220105193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220105401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9684621 + ... + 9695066.

It is an arithmetic number, because the mean of its divisors is an integer number (16879708248).

Almost surely, 2^101220105201 is an apocalyptic number.

It is an amenable number.

101220105201 is a deficient number, since it is larger than the sum of its proper divisors (33817560783).

101220105201 is a wasteful number, since it uses less digits than its factorization.

101220105201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381431.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 101220105201 its reverse (102501022101), we get a palindrome (203721127302).

The spelling of 101220105201 in words is "one hundred one billion, two hundred twenty million, one hundred five thousand, two hundred one".