221021001202 has 8 divisors (see below), whose sum is σ = 331992604800. Its totient is φ = 110356799604.

The previous prime is 221021001199. The next prime is 221021001241. The reversal of 221021001202 is 202100120122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76848702 + ... + 76851577.

It is an arithmetic number, because the mean of its divisors is an integer number (41499075600).

Almost surely, 2^221021001202 is an apocalyptic number.

221021001202 is a deficient number, since it is larger than the sum of its proper divisors (110971603598).

221021001202 is a wasteful number, since it uses less digits than its factorization.

221021001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153701000.

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

Adding to 221021001202 its reverse (202100120122), we get a palindrome (423121121324).

The spelling of 221021001202 in words is "two hundred twenty-one billion, twenty-one million, one thousand, two hundred two".