121122120012011 has 8 divisors (see below), whose sum is σ = 126799987421184. Its totient is φ = 115478559959400.

The previous prime is 121122120011989. The next prime is 121122120012013. The reversal of 121122120012011 is 110210021221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121122120012011 - 2¹⁸ = 121122119749867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122120012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8576831915 + ... + 8576846036.

It is an arithmetic number, because the mean of its divisors is an integer number (15849998427648).

Almost surely, 2^{121122120012011} is an apocalyptic number.

121122120012011 is a deficient number, since it is larger than the sum of its proper divisors (5677867409173).

121122120012011 is a wasteful number, since it uses less digits than its factorization.

121122120012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17153678281.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121122120012011 its reverse (110210021221121), we get a palindrome (231332141233132).

The spelling of 121122120012011 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty million, twelve thousand, eleven".