101221122201 has 8 divisors (see below), whose sum is σ = 135160851264. Its totient is φ = 67381070640.

The previous prime is 101221122193. The next prime is 101221122217. The reversal of 101221122201 is 102221122101.

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

It is not a de Polignac number, because 101221122201 - 2³ = 101221122193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221122251) 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, 24917005 + ... + 24921066.

It is an arithmetic number, because the mean of its divisors is an integer number (16895106408).

Almost surely, 2^101221122201 is an apocalyptic number.

It is an amenable number.

101221122201 is a deficient number, since it is larger than the sum of its proper divisors (33939729063).

101221122201 is an equidigital number, since it uses as much as digits as its factorization.

101221122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49838751.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101221122201 its reverse (102221122101), we get a palindrome (203442244302).

The spelling of 101221122201 in words is "one hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred one".