221002101101200 has 60 divisors (see below), whose sum is σ = 554042658696768. Its totient is φ = 84557325635200.

The previous prime is 221002101101189. The next prime is 221002101101237. The reversal of 221002101101200 is 2101101200122.

It is a super-3 number, since 3×221002101101200³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12010974556 + ... + 12010992955.

Almost surely, 2^{221002101101200} is an apocalyptic number.

221002101101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221002101101200 is an abundant number, since it is smaller than the sum of its proper divisors (333040557595568).

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

221002101101200 is a wasteful number, since it uses less digits than its factorization.

221002101101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24021967552 (or 24021967541 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221002101101200 its reverse (2101101200122), we get a palindrome (223103202301322).

The spelling of 221002101101200 in words is "two hundred twenty-one trillion, two billion, one hundred one million, one hundred one thousand, two hundred".