120011200121021 has 8 divisors (see below), whose sum is σ = 130933039605888. Its totient is φ = 109091315700000.

The previous prime is 120011200120997. The next prime is 120011200121027. The reversal of 120011200121021 is 120121002110021.

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-120011200121021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011200120987 and 120011200121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011200121027) 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, 488637605 + ... + 488883146.

It is an arithmetic number, because the mean of its divisors is an integer number (16366629950736).

Almost surely, 2^{120011200121021} is an apocalyptic number.

120011200121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120011200121021 is a deficient number, since it is larger than the sum of its proper divisors (10921839484867).

120011200121021 is a wasteful number, since it uses less digits than its factorization.

120011200121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977531923.

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

Adding to 120011200121021 its reverse (120121002110021), we get a palindrome (240132202231042).

The spelling of 120011200121021 in words is "one hundred twenty trillion, eleven billion, two hundred million, one hundred twenty-one thousand, twenty-one".