12020010220111 has 4 divisors (see below), whose sum is σ = 12024100053000. Its totient is φ = 12015920387224.

The previous prime is 12020010220037. The next prime is 12020010220129. The reversal of 12020010220111 is 11102201002021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020010220111 - 2¹⁵ = 12020010187343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12020010220091 and 12020010220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020010220181) 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 3 ways as a sum of consecutive naturals, for example, 2044912036 + ... + 2044917913.

It is an arithmetic number, because the mean of its divisors is an integer number (3006025013250).

Almost surely, 2^{12020010220111} is an apocalyptic number.

12020010220111 is a deficient number, since it is larger than the sum of its proper divisors (4089832889).

12020010220111 is an equidigital number, since it uses as much as digits as its factorization.

12020010220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089832888.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12020010220111 its reverse (11102201002021), we get a palindrome (23122211222132).

The spelling of 12020010220111 in words is "twelve trillion, twenty billion, ten million, two hundred twenty thousand, one hundred eleven".