120868905861121 has 16 divisors (see below), whose sum is σ = 131911505352000. Its totient is φ = 109835400729600.

The previous prime is 120868905861107. The next prime is 120868905861133. The reversal of 120868905861121 is 121168509868021.

It is a cyclic number.

It is not a de Polignac number, because 120868905861121 - 2⁹ = 120868905860609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120868905861101) 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 15 ways as a sum of consecutive naturals, for example, 304181230 + ... + 304578328.

It is an arithmetic number, because the mean of its divisors is an integer number (8244469084500).

Almost surely, 2^{120868905861121} is an apocalyptic number.

120868905861121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120868905861121 is a deficient number, since it is larger than the sum of its proper divisors (11042599490879).

120868905861121 is a wasteful number, since it uses less digits than its factorization.

120868905861121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408480.

The product of its (nonzero) digits is 3317760, while the sum is 58.

The spelling of 120868905861121 in words is "one hundred twenty trillion, eight hundred sixty-eight billion, nine hundred five million, eight hundred sixty-one thousand, one hundred twenty-one".