2220120021111 has 8 divisors (see below), whose sum is σ = 2960380053744. Its totient is φ = 1479970001280.

The previous prime is 2220120021107. The next prime is 2220120021151. The reversal of 2220120021111 is 1111200210222.

2220120021111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2220120021111 - 2² = 2220120021107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220120021101) 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, 27456100 + ... + 27536841.

It is an arithmetic number, because the mean of its divisors is an integer number (370047506718).

Almost surely, 2^{2220120021111} is an apocalyptic number.

2220120021111 is a deficient number, since it is larger than the sum of its proper divisors (740260032633).

2220120021111 is a wasteful number, since it uses less digits than its factorization.

2220120021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55006401.

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

Adding to 2220120021111 its reverse (1111200210222), we get a palindrome (3331320231333).

The spelling of 2220120021111 in words is "two trillion, two hundred twenty billion, one hundred twenty million, twenty-one thousand, one hundred eleven".