122001111110221 has 8 divisors (see below), whose sum is σ = 145492008280704. Its totient is φ = 100025755692720.

The previous prime is 122001111110191. The next prime is 122001111110239. The reversal of 122001111110221 is 122011111100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001111110221 is a prime.

It is a super-2 number, since 2×122001111110221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001111110195 and 122001111110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001111110251) 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, 378885438070 + ... + 378885438391.

It is an arithmetic number, because the mean of its divisors is an integer number (18186501035088).

Almost surely, 2^{122001111110221} is an apocalyptic number.

It is an amenable number.

122001111110221 is a deficient number, since it is larger than the sum of its proper divisors (23490897170483).

122001111110221 is an equidigital number, since it uses as much as digits as its factorization.

122001111110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757770876491.

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

Adding to 122001111110221 its reverse (122011111100221), we get a palindrome (244012222210442).

The spelling of 122001111110221 in words is "one hundred twenty-two trillion, one billion, one hundred eleven million, one hundred ten thousand, two hundred twenty-one".