1220000122101 has 8 divisors (see below), whose sum is σ = 1670630797984. Its totient is φ = 791351430480.

The previous prime is 1220000122093. The next prime is 1220000122111. The reversal of 1220000122101 is 1012210000221.

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

It is not a de Polignac number, because 1220000122101 - 2³ = 1220000122093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000122111) 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, 5495495935 + ... + 5495496156.

It is an arithmetic number, because the mean of its divisors is an integer number (208828849748).

Almost surely, 2^{1220000122101} is an apocalyptic number.

It is an amenable number.

1220000122101 is a deficient number, since it is larger than the sum of its proper divisors (450630675883).

1220000122101 is a wasteful number, since it uses less digits than its factorization.

1220000122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990992131.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220000122101 its reverse (1012210000221), we get a palindrome (2232210122322).

The spelling of 1220000122101 in words is "one trillion, two hundred twenty billion, one hundred twenty-two thousand, one hundred one".