221121031202 has 8 divisors (see below), whose sum is σ = 332473150800. Its totient is φ = 110296647604.

The previous prime is 221121031169. The next prime is 221121031223. The reversal of 221121031202 is 202130121122.

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, 131932952 + ... + 131934627.

It is an arithmetic number, because the mean of its divisors is an integer number (41559143850).

Almost surely, 2^221121031202 is an apocalyptic number.

221121031202 is a deficient number, since it is larger than the sum of its proper divisors (111352119598).

221121031202 is a wasteful number, since it uses less digits than its factorization.

221121031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263868000.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221121031202 its reverse (202130121122), we get a palindrome (423251152324).

The spelling of 221121031202 in words is "two hundred twenty-one billion, one hundred twenty-one million, thirty-one thousand, two hundred two".