121411226989 has 8 divisors (see below), whose sum is σ = 132541656632. Its totient is φ = 110536669440.

The previous prime is 121411226953. The next prime is 121411227029. The reversal of 121411226989 is 989622114121.

It can be written as a sum of positive squares in 4 ways, for example, as 26598348100 + 94812878889 = 163090^2 + 307917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121411226989 - 2⁷ = 121411226861 is a prime.

It is a super-2 number, since 2×121411226989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121411266989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63967032 + ... + 63968929.

It is an arithmetic number, because the mean of its divisors is an integer number (16567707079).

Almost surely, 2^121411226989 is an apocalyptic number.

It is an amenable number.

121411226989 is a deficient number, since it is larger than the sum of its proper divisors (11130429643).

121411226989 is a wasteful number, since it uses less digits than its factorization.

121411226989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127936047.

The product of its digits is 124416, while the sum is 46.

The spelling of 121411226989 in words is "one hundred twenty-one billion, four hundred eleven million, two hundred twenty-six thousand, nine hundred eighty-nine".