221010020202112 has 16 divisors (see below), whose sum is σ = 440293399621650. Its totient is φ = 110505010100992.

The previous prime is 221010020202091. The next prime is 221010020202143. The reversal of 221010020202112 is 211202020010122.

It is a happy number.

221010020202112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 140260817766976 + 80749202435136 = 11843176^2 + 8986056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 863320391287 + ... + 863320391542.

Almost surely, 2^{221010020202112} is an apocalyptic number.

It is an amenable number.

221010020202112 is a deficient number, since it is larger than the sum of its proper divisors (219283379419538).

221010020202112 is an equidigital number, since it uses as much as digits as its factorization.

221010020202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726640782843 (or 1726640782831 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221010020202112 its reverse (211202020010122), we get a palindrome (432212040212234).

The spelling of 221010020202112 in words is "two hundred twenty-one trillion, ten billion, twenty million, two hundred two thousand, one hundred twelve".