121223141322122 has 16 divisors (see below), whose sum is σ = 210441619656960. Its totient is φ = 51295144790448.

The previous prime is 121223141322121. The next prime is 121223141322181. The reversal of 121223141322122 is 221223141322121.

It is not an unprimeable number, because it can be changed into a prime (121223141322121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54802504013 + ... + 54802506224.

It is an arithmetic number, because the mean of its divisors is an integer number (13152601228560).

Almost surely, 2^{121223141322122} is an apocalyptic number.

121223141322122 is a deficient number, since it is larger than the sum of its proper divisors (89218478334838).

121223141322122 is a wasteful number, since it uses less digits than its factorization.

121223141322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109605010325.

The product of its digits is 4608, while the sum is 29.

Adding to 121223141322122 its reverse (221223141322121), we get a palindrome (342446282644243).

Subtracting 121223141322122 from its reverse (221223141322121), we obtain a palindrome (99999999999999).

The spelling of 121223141322122 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, one hundred forty-one million, three hundred twenty-two thousand, one hundred twenty-two".