122031103110121 has 4 divisors (see below), whose sum is σ = 122088855645652. Its totient is φ = 121973350574592.

The previous prime is 122031103110053. The next prime is 122031103110143. The reversal of 122031103110121 is 121011301130221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13045019780521 + 108986083329600 = 3611789^2 + 10439640^2 .

It is a cyclic number.

It is not a de Polignac number, because 122031103110121 - 2³⁹ = 121481347296233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122031100110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28876264596 + ... + 28876268821.

It is an arithmetic number, because the mean of its divisors is an integer number (30522213911413).

Almost surely, 2^{122031103110121} is an apocalyptic number.

It is an amenable number.

122031103110121 is a deficient number, since it is larger than the sum of its proper divisors (57752535531).

122031103110121 is an equidigital number, since it uses as much as digits as its factorization.

122031103110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752535530.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 122031103110121 its reverse (121011301130221), we get a palindrome (243042404240342).

The spelling of 122031103110121 in words is "one hundred twenty-two trillion, thirty-one billion, one hundred three million, one hundred ten thousand, one hundred twenty-one".