121043063401 has 16 divisors (see below), whose sum is σ = 137423954304. Its totient is φ = 105772322304.

The previous prime is 121043063389. The next prime is 121043063443. The reversal of 121043063401 is 104360340121.

It is a cyclic number.

It is not a de Polignac number, because 121043063401 - 2¹³ = 121043055209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121043063501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057731 + ... + 2115736.

It is an arithmetic number, because the mean of its divisors is an integer number (8588997144).

Almost surely, 2^121043063401 is an apocalyptic number.

It is an amenable number.

121043063401 is a deficient number, since it is larger than the sum of its proper divisors (16380890903).

121043063401 is a wasteful number, since it uses less digits than its factorization.

121043063401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173600.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 121043063401 in words is "one hundred twenty-one billion, forty-three million, sixty-three thousand, four hundred one".