122140343041221 has 16 divisors (see below), whose sum is σ = 164840563560960. Its totient is φ = 80433802738800.

The previous prime is 122140343041217. The next prime is 122140343041237.

It is a happy number.

122140343041221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122140343041221 - 2² = 122140343041217 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122140343045221) 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 15 ways as a sum of consecutive naturals, for example, 35058255 + ... + 38384396.

It is an arithmetic number, because the mean of its divisors is an integer number (10302535222560).

Almost surely, 2^{122140343041221} is an apocalyptic number.

It is an amenable number.

122140343041221 is a deficient number, since it is larger than the sum of its proper divisors (42700220519739).

122140343041221 is an equidigital number, since it uses as much as digits as its factorization.

122140343041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73449416.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 122140343041221 in words is "one hundred twenty-two trillion, one hundred forty billion, three hundred forty-three million, forty-one thousand, two hundred twenty-one".