122012120221111 has 8 divisors (see below), whose sum is σ = 122256373734000. Its totient is φ = 121767971344320.

The previous prime is 122012120221097. The next prime is 122012120221141. The reversal of 122012120221111 is 111122021210221.

It is a happy number.

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 122012120221111 - 2¹¹ = 122012120219063 is a prime.

It is a super-4 number, since 4×122012120221111⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012120221141) 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, 23824360 + ... + 28489021.

It is an arithmetic number, because the mean of its divisors is an integer number (15282046716750).

Almost surely, 2^{122012120221111} is an apocalyptic number.

122012120221111 is a deficient number, since it is larger than the sum of its proper divisors (244253512889).

122012120221111 is an equidigital number, since it uses as much as digits as its factorization.

122012120221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52318049.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122012120221111 its reverse (111122021210221), we get a palindrome (233134141431332).

The spelling of 122012120221111 in words is "one hundred twenty-two trillion, twelve billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".