121441444101 has 64 divisors (see below), whose sum is σ = 190745280000. Its totient is φ = 76209154560.

The previous prime is 121441444093. The next prime is 121441444151. The reversal of 121441444101 is 101444144121.

121441444101 is a `hidden beast` number, since 1 + 214 + 4 + 1 + 4 + 441 + 0 + 1 = 666.

It is not a de Polignac number, because 121441444101 - 2³ = 121441444093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121441444151) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10079641 + ... + 10091681.

It is an arithmetic number, because the mean of its divisors is an integer number (2980395000).

Almost surely, 2^121441444101 is an apocalyptic number.

It is an amenable number.

121441444101 is a deficient number, since it is larger than the sum of its proper divisors (69303835899).

121441444101 is a wasteful number, since it uses less digits than its factorization.

121441444101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331 (or 12325 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 121441444101 its reverse (101444144121), we get a palindrome (222885588222).

The spelling of 121441444101 in words is "one hundred twenty-one billion, four hundred forty-one million, four hundred forty-four thousand, one hundred one".