122100011210221 has 8 divisors (see below), whose sum is σ = 133831291910688. Its totient is φ = 110473943790000.

The previous prime is 122100011210167. The next prime is 122100011210231. The reversal of 122100011210221 is 122012110001221.

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 122100011210221 - 2²³ = 122100002821613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122100011210195 and 122100011210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100011210231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26303317630 + ... + 26303322271.

It is an arithmetic number, because the mean of its divisors is an integer number (16728911488836).

Almost surely, 2^{122100011210221} is an apocalyptic number.

122100011210221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122100011210221 is a deficient number, since it is larger than the sum of its proper divisors (11731280700467).

122100011210221 is a wasteful number, since it uses less digits than its factorization.

122100011210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52606640123.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122100011210221 its reverse (122012110001221), we get a palindrome (244112121211442).

The spelling of 122100011210221 in words is "one hundred twenty-two trillion, one hundred billion, eleven million, two hundred ten thousand, two hundred twenty-one".