221002222201012 has 24 divisors (see below), whose sum is σ = 442005000000704. Its totient is φ = 94715119029312.

The previous prime is 221002222201001. The next prime is 221002222201021. The reversal of 221002222201012 is 210102222200122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19897768 + ... + 28946944.

Almost surely, 2^{221002222201012} is an apocalyptic number.

It is an amenable number.

221002222201012 is an abundant number, since it is smaller than the sum of its proper divisors (221002777799692).

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

221002222201012 is a wasteful number, since it uses less digits than its factorization.

221002222201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921415 (or 9921413 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002222201012 its reverse (210102222200122), we get a palindrome (431104444401134).

The spelling of 221002222201012 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-two million, two hundred one thousand, twelve".