120021011110001 has 16 divisors (see below), whose sum is σ = 126419858635200. Its totient is φ = 113630376296448.

The previous prime is 120021011109983. The next prime is 120021011110043. The reversal of 120021011110001 is 100011110120021.

It is a cyclic number.

It is not a de Polignac number, because 120021011110001 - 2²² = 120021006915697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120021011110061) 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, 251212721 + ... + 251690033.

It is an arithmetic number, because the mean of its divisors is an integer number (7901241164700).

Almost surely, 2^{120021011110001} is an apocalyptic number.

It is an amenable number.

120021011110001 is a deficient number, since it is larger than the sum of its proper divisors (6398847525199).

120021011110001 is a wasteful number, since it uses less digits than its factorization.

120021011110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485888.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 120021011110001 its reverse (100011110120021), we get a palindrome (220032121230022).

The spelling of 120021011110001 in words is "one hundred twenty trillion, twenty-one billion, eleven million, one hundred ten thousand, one".