220100100021111 has 8 divisors (see below), whose sum is σ = 299710774497024. Its totient is φ = 143611412779640.

The previous prime is 220100100021089. The next prime is 220100100021127. The reversal of 220100100021111 is 111120001001022.

220100100021111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220100100021111 - 2⁶ = 220100100021047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220100100021161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780496808445 + ... + 780496808726.

It is an arithmetic number, because the mean of its divisors is an integer number (37463846812128).

Almost surely, 2^{220100100021111} is an apocalyptic number.

220100100021111 is a deficient number, since it is larger than the sum of its proper divisors (79610674475913).

220100100021111 is a wasteful number, since it uses less digits than its factorization.

220100100021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560993617221.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220100100021111 its reverse (111120001001022), we get a palindrome (331220101022133).

The spelling of 220100100021111 in words is "two hundred twenty trillion, one hundred billion, one hundred million, twenty-one thousand, one hundred eleven".