1220122120101 has 8 divisors (see below), whose sum is σ = 1626839079360. Its totient is φ = 813409953792.

The previous prime is 1220122120079. The next prime is 1220122120117. The reversal of 1220122120101 is 1010212210221.

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

It is not a de Polignac number, because 1220122120101 - 2¹¹ = 1220122118053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220122120001) 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, 554905 + ... + 1657758.

It is an arithmetic number, because the mean of its divisors is an integer number (203354884920).

Almost surely, 2^{1220122120101} is an apocalyptic number.

It is an amenable number.

1220122120101 is a deficient number, since it is larger than the sum of its proper divisors (406716959259).

1220122120101 is a wasteful number, since it uses less digits than its factorization.

1220122120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396475.

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

Adding to 1220122120101 its reverse (1010212210221), we get a palindrome (2230334330322).

The spelling of 1220122120101 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".