121011011024001 has 16 divisors (see below), whose sum is σ = 184411785138048. Its totient is φ = 69143878886400.

The previous prime is 121011011023979. The next prime is 121011011024017. The reversal of 121011011024001 is 100420110110121.

It is a happy number.

It is not a de Polignac number, because 121011011024001 - 2¹⁹ = 121011010499713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011011024021) 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, 219312490 + ... + 219863571.

It is an arithmetic number, because the mean of its divisors is an integer number (11525736571128).

Almost surely, 2^{121011011024001} is an apocalyptic number.

It is an amenable number.

121011011024001 is a deficient number, since it is larger than the sum of its proper divisors (63400774114047).

121011011024001 is a wasteful number, since it uses less digits than its factorization.

121011011024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439189192.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011011024001 its reverse (100420110110121), we get a palindrome (221431121134122).

The spelling of 121011011024001 in words is "one hundred twenty-one trillion, eleven billion, eleven million, twenty-four thousand, one".