121020120220011 has 8 divisors (see below), whose sum is σ = 161363828829504. Its totient is φ = 80678245878600.

The previous prime is 121020120219961. The next prime is 121020120220033. The reversal of 121020120220011 is 110022021020121.

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

It is not a de Polignac number, because 121020120220011 - 2¹¹ = 121020120217963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020120220061) 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, 458413065 + ... + 458676986.

It is an arithmetic number, because the mean of its divisors is an integer number (20170478603688).

Almost surely, 2^{121020120220011} is an apocalyptic number.

121020120220011 is a deficient number, since it is larger than the sum of its proper divisors (40343708609493).

121020120220011 is an equidigital number, since it uses as much as digits as its factorization.

121020120220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917134041.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020120220011 its reverse (110022021020121), we get a palindrome (231042141240132).

The spelling of 121020120220011 in words is "one hundred twenty-one trillion, twenty billion, one hundred twenty million, two hundred twenty thousand, eleven".