220010101111 has 4 divisors (see below), whose sum is σ = 221052803224. Its totient is φ = 218967399000.

The previous prime is 220010101079. The next prime is 220010101117. The reversal of 220010101111 is 111101010022.

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 220010101111 - 2⁵ = 220010101079 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 (220010101117) 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, 521350740 + ... + 521351161.

It is an arithmetic number, because the mean of its divisors is an integer number (55263200806).

Almost surely, 2^220010101111 is an apocalyptic number.

220010101111 is a deficient number, since it is larger than the sum of its proper divisors (1042702113).

220010101111 is a wasteful number, since it uses less digits than its factorization.

220010101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042702112.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 220010101111 its reverse (111101010022), we get a palindrome (331111111133).

The spelling of 220010101111 in words is "two hundred twenty billion, ten million, one hundred one thousand, one hundred eleven".