121441356061 has 4 divisors (see below), whose sum is σ = 127833006400. Its totient is φ = 115049705724.

The previous prime is 121441356031. The next prime is 121441356109. The reversal of 121441356061 is 160653144121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121441356061 - 2¹⁵ = 121441323293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121441356031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195825141 + ... + 3195825178.

It is an arithmetic number, because the mean of its divisors is an integer number (31958251600).

Almost surely, 2^121441356061 is an apocalyptic number.

It is an amenable number.

121441356061 is a deficient number, since it is larger than the sum of its proper divisors (6391650339).

121441356061 is an equidigital number, since it uses as much as digits as its factorization.

121441356061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391650338.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 121441356061 in words is "one hundred twenty-one billion, four hundred forty-one million, three hundred fifty-six thousand, sixty-one".