121120020010011 has 16 divisors (see below), whose sum is σ = 177918877283328. Its totient is φ = 72679279932000.

The previous prime is 121120020010001. The next prime is 121120020010039. The reversal of 121120020010011 is 110010020021121.

It is not a de Polignac number, because 121120020010011 - 2⁵ = 121120020009979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121120020010001) 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, 18169816651 + ... + 18169823316.

It is an arithmetic number, because the mean of its divisors is an integer number (11119929830208).

Almost surely, 2^{121120020010011} is an apocalyptic number.

121120020010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121120020010011 is a deficient number, since it is larger than the sum of its proper divisors (56798857273317).

121120020010011 is a wasteful number, since it uses less digits than its factorization.

121120020010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36339640082.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121120020010011 its reverse (110010020021121), we get a palindrome (231130040031132).

The spelling of 121120020010011 in words is "one hundred twenty-one trillion, one hundred twenty billion, twenty million, ten thousand, eleven".