122212210021121 has 8 divisors (see below), whose sum is σ = 140339379928800. Its totient is φ = 105254534946240.

The previous prime is 122212210021073. The next prime is 122212210021123. The reversal of 122212210021121 is 121120012212221.

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-122212210021121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212210021093 and 122212210021102.

It is not an unprimeable number, because it can be changed into a prime (122212210021123) 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, 292373707976 + ... + 292373708393.

It is an arithmetic number, because the mean of its divisors is an integer number (17542422491100).

Almost surely, 2^{122212210021121} is an apocalyptic number.

122212210021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122212210021121 is a deficient number, since it is larger than the sum of its proper divisors (18127169907679).

122212210021121 is a wasteful number, since it uses less digits than its factorization.

122212210021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584747416399.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122212210021121 its reverse (121120012212221), we get a palindrome (243332222233342).

The spelling of 122212210021121 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, twenty-one thousand, one hundred twenty-one".