101221022195 has 8 divisors (see below), whose sum is σ = 121470189936. Its totient is φ = 80973508896.

The previous prime is 101221022191. The next prime is 101221022263. The reversal of 101221022195 is 591220122101.

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 101221022195 - 2² = 101221022191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221022191) 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, 274772 + ... + 527201.

It is an arithmetic number, because the mean of its divisors is an integer number (15183773742).

Almost surely, 2^101221022195 is an apocalyptic number.

101221022195 is a deficient number, since it is larger than the sum of its proper divisors (20249167741).

101221022195 is an equidigital number, since it uses as much as digits as its factorization.

101221022195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827221.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 101221022195 its reverse (591220122101), we get a palindrome (692441144296).

The spelling of 101221022195 in words is "one hundred one billion, two hundred twenty-one million, twenty-two thousand, one hundred ninety-five".