121203040422441 has 16 divisors (see below), whose sum is σ = 162596877873920. Its totient is φ = 80305623424080.

The previous prime is 121203040422427. The next prime is 121203040422481. The reversal of 121203040422441 is 144224040302121.

It is not a de Polignac number, because 121203040422441 - 2³⁷ = 121065601468969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121203040422399 and 121203040422408.

It is not an unprimeable number, because it can be changed into a prime (121203040422481) 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 15 ways as a sum of consecutive naturals, for example, 59864706 + ... + 61856196.

It is an arithmetic number, because the mean of its divisors is an integer number (10162304867120).

Almost surely, 2^{121203040422441} is an apocalyptic number.

It is an amenable number.

121203040422441 is a deficient number, since it is larger than the sum of its proper divisors (41393837451479).

121203040422441 is a wasteful number, since it uses less digits than its factorization.

121203040422441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116116.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 121203040422441 its reverse (144224040302121), we get a palindrome (265427080724562).

The spelling of 121203040422441 in words is "one hundred twenty-one trillion, two hundred three billion, forty million, four hundred twenty-two thousand, four hundred forty-one".