121111403144131 has 8 divisors (see below), whose sum is σ = 123760582283520. Its totient is φ = 118490557471752.

The previous prime is 121111403144087. The next prime is 121111403144141. The reversal of 121111403144131 is 131441304111121.

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 121111403144131 - 2⁷ = 121111403144003 is a prime.

It is a super-2 number, since 2×121111403144131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121111403144131.

It is not an unprimeable number, because it can be changed into a prime (121111403144141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7083358111 + ... + 7083375208.

It is an arithmetic number, because the mean of its divisors is an integer number (15470072785440).

Almost surely, 2^{121111403144131} is an apocalyptic number.

121111403144131 is a deficient number, since it is larger than the sum of its proper divisors (2649179139389).

121111403144131 is a wasteful number, since it uses less digits than its factorization.

121111403144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14166733505.

The product of its (nonzero) digits is 1152, while the sum is 28.

Adding to 121111403144131 its reverse (131441304111121), we get a palindrome (252552707255252).

The spelling of 121111403144131 in words is "one hundred twenty-one trillion, one hundred eleven billion, four hundred three million, one hundred forty-four thousand, one hundred thirty-one".