221102033211011 has 16 divisors (see below), whose sum is σ = 244357963987200. Its totient is φ = 199223610572448.

The previous prime is 221102033210969. The next prime is 221102033211019. The reversal of 221102033211011 is 110112330201122.

It is not a de Polignac number, because 221102033211011 - 2²² = 221102029016707 is a prime.

It is a super-2 number, since 2×221102033211011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221102033211019) 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, 2994545975 + ... + 2994619808.

It is an arithmetic number, because the mean of its divisors is an integer number (15272372749200).

Almost surely, 2^{221102033211011} is an apocalyptic number.

221102033211011 is a deficient number, since it is larger than the sum of its proper divisors (23255930776189).

221102033211011 is a wasteful number, since it uses less digits than its factorization.

221102033211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5989165898.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 221102033211011 its reverse (110112330201122), we get a palindrome (331214363412133).

The spelling of 221102033211011 in words is "two hundred twenty-one trillion, one hundred two billion, thirty-three million, two hundred eleven thousand, eleven".