122111413021 has 8 divisors (see below), whose sum is σ = 132508452384. Its totient is φ = 111857781360.

The previous prime is 122111413019. The next prime is 122111413069. The reversal of 122111413021 is 120314111221.

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

It is not a de Polignac number, because 122111413021 - 2¹ = 122111413019 is a prime.

It is a super-2 number, since 2×122111413021² (a number of 23 digits) contains 22 as substring.

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 122111413021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111413121) 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, 35850151 + ... + 35853556.

It is an arithmetic number, because the mean of its divisors is an integer number (16563556548).

Almost surely, 2^122111413021 is an apocalyptic number.

It is an amenable number.

122111413021 is a deficient number, since it is larger than the sum of its proper divisors (10397039363).

122111413021 is a wasteful number, since it uses less digits than its factorization.

122111413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71703851.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 122111413021 its reverse (120314111221), we get a palindrome (242425524242).

The spelling of 122111413021 in words is "one hundred twenty-two billion, one hundred eleven million, four hundred thirteen thousand, twenty-one".