120121002111121 has 8 divisors (see below), whose sum is σ = 131327835215904. Its totient is φ = 108961959340320.

The previous prime is 120121002111091. The next prime is 120121002111137. The reversal of 120121002111121 is 121111200121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121002111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120121002111095 and 120121002111104.

It is not an unprimeable number, because it can be changed into a prime (120121002111151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11947578235 + ... + 11947588288.

It is an arithmetic number, because the mean of its divisors is an integer number (16415979401988).

Almost surely, 2^{120121002111121} is an apocalyptic number.

120121002111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120121002111121 is a deficient number, since it is larger than the sum of its proper divisors (11206833104783).

120121002111121 is a wasteful number, since it uses less digits than its factorization.

120121002111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23895166991.

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

Adding to 120121002111121 its reverse (121111200121021), we get a palindrome (241232202232142).

The spelling of 120121002111121 in words is "one hundred twenty trillion, one hundred twenty-one billion, two million, one hundred eleven thousand, one hundred twenty-one".