121401412241043 has 16 divisors (see below), whose sum is σ = 177508395251712. Its totient is φ = 73191395604000.

The previous prime is 121401412241017. The next prime is 121401412241071. The reversal of 121401412241043 is 340142214104121.

It is not a de Polignac number, because 121401412241043 - 2⁹ = 121401412240531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121401412241043.

It is not an unprimeable number, because it can be changed into a prime (121401412291043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630440488 + ... + 9630453093.

It is an arithmetic number, because the mean of its divisors is an integer number (11094274703232).

Almost surely, 2^{121401412241043} is an apocalyptic number.

121401412241043 is a deficient number, since it is larger than the sum of its proper divisors (56106983010669).

121401412241043 is a wasteful number, since it uses less digits than its factorization.

121401412241043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260893786.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 121401412241043 its reverse (340142214104121), we get a palindrome (461543626345164).

The spelling of 121401412241043 in words is "one hundred twenty-one trillion, four hundred one billion, four hundred twelve million, two hundred forty-one thousand, forty-three".