122120012101 has 4 divisors (see below), whose sum is σ = 123591337632. Its totient is φ = 120648686572.

The previous prime is 122120012093. The next prime is 122120012107. The reversal of 122120012101 is 101210021221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122120012101 - 2³ = 122120012093 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 (122120012107) 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 3 ways as a sum of consecutive naturals, for example, 735662641 + ... + 735662806.

It is an arithmetic number, because the mean of its divisors is an integer number (30897834408).

Almost surely, 2^122120012101 is an apocalyptic number.

It is an amenable number.

122120012101 is a deficient number, since it is larger than the sum of its proper divisors (1471325531).

122120012101 is an equidigital number, since it uses as much as digits as its factorization.

122120012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471325530.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122120012101 its reverse (101210021221), we get a palindrome (223330033322).

The spelling of 122120012101 in words is "one hundred twenty-two billion, one hundred twenty million, twelve thousand, one hundred one".