120121120010011 has 16 divisors (see below), whose sum is σ = 127998394650720. Its totient is φ = 112334006453760.

The previous prime is 120121120009981. The next prime is 120121120010027. The reversal of 120121120010011 is 110010021121021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120121120010011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120121120009973 and 120121120010000.

It is not an unprimeable number, because it can be changed into a prime (120121120010711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494633805 + ... + 494876593.

It is an arithmetic number, because the mean of its divisors is an integer number (7999899665670).

Almost surely, 2^{120121120010011} is an apocalyptic number.

120121120010011 is a deficient number, since it is larger than the sum of its proper divisors (7877274640709).

120121120010011 is a wasteful number, since it uses less digits than its factorization.

120121120010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428334.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120121120010011 its reverse (110010021121021), we get a palindrome (230131141131032).

The spelling of 120121120010011 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred twenty million, ten thousand, eleven".