220120021200111 has 16 divisors (see below), whose sum is σ = 311175924251904. Its totient is φ = 137928635433344.

The previous prime is 220120021200097. The next prime is 220120021200113. The reversal of 220120021200111 is 111002120021022.

It is a cyclic number.

It is not a de Polignac number, because 220120021200111 - 2¹⁰ = 220120021199087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120021200113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904456621 + ... + 2904532406.

It is an arithmetic number, because the mean of its divisors is an integer number (19448495265744).

Almost surely, 2^{220120021200111} is an apocalyptic number.

220120021200111 is a deficient number, since it is larger than the sum of its proper divisors (91055903051793).

220120021200111 is a wasteful number, since it uses less digits than its factorization.

220120021200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808989790.

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

Adding to 220120021200111 its reverse (111002120021022), we get a palindrome (331122141221133).

The spelling of 220120021200111 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-one million, two hundred thousand, one hundred eleven".