2220221111011 has 4 divisors (see below), whose sum is σ = 2221671289624. Its totient is φ = 2218770932400.

The previous prime is 2220221110997. The next prime is 2220221111057. The reversal of 2220221111011 is 1101111220222.

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 2220221111011 - 2⁵ = 2220221110979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220221111081) 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, 725087010 + ... + 725090071.

It is an arithmetic number, because the mean of its divisors is an integer number (555417822406).

Almost surely, 2^{2220221111011} is an apocalyptic number.

2220221111011 is a deficient number, since it is larger than the sum of its proper divisors (1450178613).

2220221111011 is a wasteful number, since it uses less digits than its factorization.

2220221111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450178612.

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

Adding to 2220221111011 its reverse (1101111220222), we get a palindrome (3321332331233).

The spelling of 2220221111011 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, eleven".