120001101022221 has 8 divisors (see below), whose sum is σ = 160370986433280. Its totient is φ = 79815974812992.

The previous prime is 120001101022177. The next prime is 120001101022223. The reversal of 120001101022221 is 122220101100021.

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

It is not a de Polignac number, because 120001101022221 - 2¹¹ = 120001101020173 is a prime.

It is a super-2 number, since 2×120001101022221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120001101022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001101022223) 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, 46189798941 + ... + 46189801538.

It is an arithmetic number, because the mean of its divisors is an integer number (20046373304160).

Almost surely, 2^{120001101022221} is an apocalyptic number.

It is an amenable number.

120001101022221 is a deficient number, since it is larger than the sum of its proper divisors (40369885411059).

120001101022221 is an equidigital number, since it uses as much as digits as its factorization.

120001101022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92379600915.

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

Adding to 120001101022221 its reverse (122220101100021), we get a palindrome (242221202122242).

The spelling of 120001101022221 in words is "one hundred twenty trillion, one billion, one hundred one million, twenty-two thousand, two hundred twenty-one".