12221101101 has 64 divisors (see below), whose sum is σ = 18363211776. Its totient is φ = 7167744000.

The previous prime is 12221101043. The next prime is 12221101133. The reversal of 12221101101 is 10110112221.

It is not a de Polignac number, because 12221101101 - 2⁹ = 12221100589 is a prime.

12221101101 is a modest number, since divided by 101101 gives 12221 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221101141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33299820 + ... + 33300186.

It is an arithmetic number, because the mean of its divisors is an integer number (286925184).

Almost surely, 2^12221101101 is an apocalyptic number.

12221101101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12221101101 is a deficient number, since it is larger than the sum of its proper divisors (6142110675).

12221101101 is a wasteful number, since it uses less digits than its factorization.

12221101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

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

Adding to 12221101101 its reverse (10110112221), we get a palindrome (22331213322).

It can be divided in two parts, 12221 and 101101, that multiplied together give a palindrome (1235555321).

The spelling of 12221101101 in words is "twelve billion, two hundred twenty-one million, one hundred one thousand, one hundred one".