121244323442121 has 36 divisors (see below), whose sum is σ = 194367944977024. Its totient is φ = 72767996349840.

The previous prime is 121244323442113. The next prime is 121244323442147.

121244323442121 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 4 + 432 + 3 + 4 + 4 + 212 + 1 = 666.

121244323442121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 121244323442121 - 2³ = 121244323442113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121244323442171) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 540351265 + ... + 540575598.

Almost surely, 2^{121244323442121} is an apocalyptic number.

121244323442121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121244323442121 is a deficient number, since it is larger than the sum of its proper divisors (73123621534903).

121244323442121 is a wasteful number, since it uses less digits than its factorization.

121244323442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080926994 (or 1080926980 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The spelling of 121244323442121 in words is "one hundred twenty-one trillion, two hundred forty-four billion, three hundred twenty-three million, four hundred forty-two thousand, one hundred twenty-one".