220111000220111 has 128 divisors (see below), whose sum is σ = 314261288140800. Its totient is φ = 148460351247360.

The previous prime is 220111000220101. The next prime is 220111000220119. The reversal of 220111000220111 is 111022000111022.

It is a cyclic number.

It is not a de Polignac number, because 220111000220111 - 2³⁴ = 220093820350927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111000220119) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4186264820 + ... + 4186317398.

It is an arithmetic number, because the mean of its divisors is an integer number (2455166313600).

Almost surely, 2^{220111000220111} is an apocalyptic number.

220111000220111 is a deficient number, since it is larger than the sum of its proper divisors (94150287920689).

220111000220111 is a wasteful number, since it uses less digits than its factorization.

220111000220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54869.

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

Adding to 220111000220111 its reverse (111022000111022), we get a palindrome (331133000331133).

The spelling of 220111000220111 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred twenty thousand, one hundred eleven".