221121012002 has 8 divisors (see below), whose sum is σ = 361834383312. Its totient is φ = 100509550900.

The previous prime is 221121011987. The next prime is 221121012011. The reversal of 221121012002 is 200210121122.

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, 5025477524 + ... + 5025477567.

It is an arithmetic number, because the mean of its divisors is an integer number (45229297914).

Almost surely, 2^221121012002 is an apocalyptic number.

221121012002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221121012002 is a deficient number, since it is larger than the sum of its proper divisors (140713371310).

221121012002 is a wasteful number, since it uses less digits than its factorization.

221121012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050955104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221121012002 its reverse (200210121122), we get a palindrome (421331133124).

The spelling of 221121012002 in words is "two hundred twenty-one billion, one hundred twenty-one million, twelve thousand, two".