221302012002 has 16 divisors (see below), whose sum is σ = 442613563392. Its totient is φ = 73765747440.

The previous prime is 221302011979. The next prime is 221302012013. The reversal of 221302012002 is 200210203122.

It is a happy number.

It is a super-4 number, since 4×221302012002⁴ (a number of 46 digits) contains 4444 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 7 ways as a sum of consecutive naturals, for example, 75874 + ... + 669597.

It is an arithmetic number, because the mean of its divisors is an integer number (27663347712).

Almost surely, 2^221302012002 is an apocalyptic number.

221302012002 is an abundant number, since it is smaller than the sum of its proper divisors (221311551390).

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

221302012002 is a wasteful number, since it uses less digits than its factorization.

221302012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794953.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 221302012002 its reverse (200210203122), we get a palindrome (421512215124).

The spelling of 221302012002 in words is "two hundred twenty-one billion, three hundred two million, twelve thousand, two".