12122201022101 has 8 divisors (see below), whose sum is σ = 12381055248000. Its totient is φ = 11863385756928.

The previous prime is 12122201022091. The next prime is 12122201022143. The reversal of 12122201022101 is 10122010222121.

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 12122201022101 - 2⁴² = 7724154510997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122201022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122201022301) 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, 9110831 + ... + 10356236.

It is an arithmetic number, because the mean of its divisors is an integer number (1547631906000).

Almost surely, 2^{12122201022101} is an apocalyptic number.

It is an amenable number.

12122201022101 is a deficient number, since it is larger than the sum of its proper divisors (258854225899).

12122201022101 is a wasteful number, since it uses less digits than its factorization.

12122201022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19480363.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122201022101 its reverse (10122010222121), we get a palindrome (22244211244222).

The spelling of 12122201022101 in words is "twelve trillion, one hundred twenty-two billion, two hundred one million, twenty-two thousand, one hundred one".