221002202120112 has 120 divisors (see below), whose sum is σ = 706901783063840. Its totient is φ = 63139418818560.

The previous prime is 221002202120053. The next prime is 221002202120149. The reversal of 221002202120112 is 211021202200122.

It is a happy number.

221002202120112 is a `hidden beast` number, since 2 + 210 + 0 + 220 + 2 + 120 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8611464 + ... + 22719192.

Almost surely, 2^{221002202120112} is an apocalyptic number.

It is an amenable number.

221002202120112 is an abundant number, since it is smaller than the sum of its proper divisors (485899580943728).

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

221002202120112 is a wasteful number, since it uses less digits than its factorization.

221002202120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14123291 (or 14123282 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221002202120112 its reverse (211021202200122), we get a palindrome (432023404320234).

The spelling of 221002202120112 in words is "two hundred twenty-one trillion, two billion, two hundred two million, one hundred twenty thousand, one hundred twelve".