221110001202112 has 56 divisors (see below), whose sum is σ = 478664782675632. Its totient is φ = 100502051020800.

The previous prime is 221110001202089. The next prime is 221110001202127. The reversal of 221110001202112 is 211202100011122.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24628912 + ... + 32385232.

It is an arithmetic number, because the mean of its divisors is an integer number (8547585404922).

Almost surely, 2^{221110001202112} is an apocalyptic number.

221110001202112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221110001202112 is an abundant number, since it is smaller than the sum of its proper divisors (257554781473520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221110001202112 is a wasteful number, since it uses less digits than its factorization.

221110001202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796837 (or 7796827 counting only the distinct ones).

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

Adding to 221110001202112 its reverse (211202100011122), we get a palindrome (432312101213234).

The spelling of 221110001202112 in words is "two hundred twenty-one trillion, one hundred ten billion, one million, two hundred two thousand, one hundred twelve".