121144330122 has 64 divisors (see below), whose sum is σ = 258519859200. Its totient is φ = 37713924864.

The previous prime is 121144330121. The next prime is 121144330231. The reversal of 121144330122 is 221033441121.

It is a super-3 number, since 3×121144330122³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121144330092 and 121144330101.

It is not an unprimeable number, because it can be changed into a prime (121144330121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7766343 + ... + 7781925.

It is an arithmetic number, because the mean of its divisors is an integer number (4039372800).

Almost surely, 2^121144330122 is an apocalyptic number.

121144330122 is an abundant number, since it is smaller than the sum of its proper divisors (137375529078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121144330122 is a wasteful number, since it uses less digits than its factorization.

121144330122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121144330122 its reverse (221033441121), we get a palindrome (342177771243).

The spelling of 121144330122 in words is "one hundred twenty-one billion, one hundred forty-four million, three hundred thirty thousand, one hundred twenty-two".