12020011220111 has 8 divisors (see below), whose sum is σ = 12043610950800. Its totient is φ = 11996420402880.

The previous prime is 12020011220081. The next prime is 12020011220123. The reversal of 12020011220111 is 11102211002021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020011220111 is a prime.

It is a super-3 number, since 3×12020011220111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020011250111) 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, 474545 + ... + 4925973.

It is an arithmetic number, because the mean of its divisors is an integer number (1505451368850).

Almost surely, 2^{12020011220111} is an apocalyptic number.

12020011220111 is a deficient number, since it is larger than the sum of its proper divisors (23599730689).

12020011220111 is an equidigital number, since it uses as much as digits as its factorization.

12020011220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456729.

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

Adding to 12020011220111 its reverse (11102211002021), we get a palindrome (23122222222132).

The spelling of 12020011220111 in words is "twelve trillion, twenty billion, eleven million, two hundred twenty thousand, one hundred eleven".