220120101002111 has 4 divisors (see below), whose sum is σ = 225488883953424. Its totient is φ = 214751318050800.

The previous prime is 220120101002107. The next prime is 220120101002117. The reversal of 220120101002111 is 111200101021022.

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 220120101002111 - 2² = 220120101002107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120101002117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684391475595 + ... + 2684391475676.

It is an arithmetic number, because the mean of its divisors is an integer number (56372220988356).

Almost surely, 2^{220120101002111} is an apocalyptic number.

220120101002111 is a deficient number, since it is larger than the sum of its proper divisors (5368782951313).

220120101002111 is an equidigital number, since it uses as much as digits as its factorization.

220120101002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368782951312.

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

Adding to 220120101002111 its reverse (111200101021022), we get a palindrome (331320202023133).

The spelling of 220120101002111 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred one million, two thousand, one hundred eleven".