121422404224121 has 96 divisors (see below), whose sum is σ = 165963358331904. Its totient is φ = 86433899904000.

The previous prime is 121422404224117. The next prime is 121422404224181.

121422404224121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121422404224121 - 2² = 121422404224117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121422404224181) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2650137605 + ... + 2650183421.

It is an arithmetic number, because the mean of its divisors is an integer number (1728784982624).

Almost surely, 2^{121422404224121} is an apocalyptic number.

121422404224121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121422404224121 is a deficient number, since it is larger than the sum of its proper divisors (44540954107783).

121422404224121 is a wasteful number, since it uses less digits than its factorization.

121422404224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48343 (or 48332 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

It can be divided in two parts, 12142240 and 4224121, that added together give a palindrome (16366361).

The spelling of 121422404224121 in words is "one hundred twenty-one trillion, four hundred twenty-two billion, four hundred four million, two hundred twenty-four thousand, one hundred twenty-one".