220111001022211 has 16 divisors (see below), whose sum is σ = 251111856240000. Its totient is φ = 191131994953728.

The previous prime is 220111001022163. The next prime is 220111001022221. The reversal of 220111001022211 is 112220100111022.

It is a cyclic number.

It is not a de Polignac number, because 220111001022211 - 2¹⁵ = 220111000989443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220111001022221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248677126 + ... + 249560683.

It is an arithmetic number, because the mean of its divisors is an integer number (15694491015000).

Almost surely, 2^{220111001022211} is an apocalyptic number.

220111001022211 is a deficient number, since it is larger than the sum of its proper divisors (31000855217789).

220111001022211 is a wasteful number, since it uses less digits than its factorization.

220111001022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498239838.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111001022211 its reverse (112220100111022), we get a palindrome (332331101133233).

The spelling of 220111001022211 in words is "two hundred twenty trillion, one hundred eleven billion, one million, twenty-two thousand, two hundred eleven".