121120001122001 has 32 divisors (see below), whose sum is σ = 148047346073088. Its totient is φ = 96722678246400.

The previous prime is 121120001121947. The next prime is 121120001122093. The reversal of 121120001122001 is 100221100021121.

It is a cyclic number.

It is not a de Polignac number, because 121120001122001 - 2²⁶ = 121119934013137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120001122501) 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 31 ways as a sum of consecutive naturals, for example, 56800556 + ... + 58894338.

It is an arithmetic number, because the mean of its divisors is an integer number (4626479564784).

Almost surely, 2^{121120001122001} is an apocalyptic number.

It is an amenable number.

121120001122001 is a deficient number, since it is larger than the sum of its proper divisors (26927344951087).

121120001122001 is a wasteful number, since it uses less digits than its factorization.

121120001122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098721.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121120001122001 its reverse (100221100021121), we get a palindrome (221341101143122).

The spelling of 121120001122001 in words is "one hundred twenty-one trillion, one hundred twenty billion, one million, one hundred twenty-two thousand, one".