121120110212011 has 16 divisors (see below), whose sum is σ = 121532409427968. Its totient is φ = 120708681912000.

The previous prime is 121120110211999. The next prime is 121120110212033. The reversal of 121120110212011 is 110212011021121.

It is a cyclic number.

It is not a de Polignac number, because 121120110212011 - 2¹⁷ = 121120110080939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121120110212081) 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, 866640040 + ... + 866779786.

It is an arithmetic number, because the mean of its divisors is an integer number (7595775589248).

Almost surely, 2^{121120110212011} is an apocalyptic number.

121120110212011 is a deficient number, since it is larger than the sum of its proper divisors (412299215957).

121120110212011 is a wasteful number, since it uses less digits than its factorization.

121120110212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142842.

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

Adding to 121120110212011 its reverse (110212011021121), we get a palindrome (231332121233132).

The spelling of 121120110212011 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred ten million, two hundred twelve thousand, eleven".