221002112002000 has 160 divisors (see below), whose sum is σ = 613156721958144. Its totient is φ = 75470270400000.

The previous prime is 221002112001947. The next prime is 221002112002081. The reversal of 221002112002000 is 200211200122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27931947 + ... + 34959946.

Almost surely, 2^{221002112002000} is an apocalyptic number.

221002112002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002112002000 is an abundant number, since it is smaller than the sum of its proper divisors (392154609956144).

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

221002112002000 is a wasteful number, since it uses less digits than its factorization.

221002112002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62892174 (or 62892158 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221002112002000 its reverse (200211200122), we get a palindrome (221202323202122).

The spelling of 221002112002000 in words is "two hundred twenty-one trillion, two billion, one hundred twelve million, two thousand".