220101000111 has 32 divisors (see below), whose sum is σ = 341589504000. Its totient is φ = 139880823264.

The previous prime is 220101000109. The next prime is 220101000113. The reversal of 220101000111 is 111000101022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220101000109) and next prime (220101000113).

It is not a de Polignac number, because 220101000111 - 2¹ = 220101000109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220101000093 and 220101000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101000113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1717255 + ... + 1840968.

It is an arithmetic number, because the mean of its divisors is an integer number (10674672000).

Almost surely, 2^220101000111 is an apocalyptic number.

220101000111 is a deficient number, since it is larger than the sum of its proper divisors (121488503889).

220101000111 is a wasteful number, since it uses less digits than its factorization.

220101000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558340 (or 3558334 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 220101000111 its reverse (111000101022), we get a palindrome (331101101133).

It can be divided in two parts, 22010 and 1000111, that added together give a square (1022121 = 1011²).

The spelling of 220101000111 in words is "two hundred twenty billion, one hundred one million, one hundred eleven", and thus it is an aban number.