121022100120011 has 32 divisors (see below), whose sum is σ = 129909899520000. Its totient is φ = 112340463219712.

The previous prime is 121022100119873. The next prime is 121022100120043. The reversal of 121022100120011 is 110021001220121.

It is not a de Polignac number, because 121022100120011 - 2¹⁰ = 121022100118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022100120211) 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 31 ways as a sum of consecutive naturals, for example, 2021080970 + ... + 2021140848.

It is an arithmetic number, because the mean of its divisors is an integer number (4059684360000).

Almost surely, 2^{121022100120011} is an apocalyptic number.

121022100120011 is a deficient number, since it is larger than the sum of its proper divisors (8887799399989).

121022100120011 is a wasteful number, since it uses less digits than its factorization.

121022100120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64891.

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

Adding to 121022100120011 its reverse (110021001220121), we get a palindrome (231043101340132).

The spelling of 121022100120011 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred million, one hundred twenty thousand, eleven".