221121020201002 has 8 divisors (see below), whose sum is σ = 331681605431616. Its totient is φ = 110560485057132.

The previous prime is 221121020200991. The next prime is 221121020201023. The reversal of 221121020201002 is 200102020121122.

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, 1783983 + ... + 21105085.

It is an arithmetic number, because the mean of its divisors is an integer number (41460200678952).

Almost surely, 2^{221121020201002} is an apocalyptic number.

221121020201002 is a deficient number, since it is larger than the sum of its proper divisors (110560585230614).

221121020201002 is a wasteful number, since it uses less digits than its factorization.

221121020201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25043372.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221121020201002 its reverse (200102020121122), we get a palindrome (421223040322124).

The spelling of 221121020201002 in words is "two hundred twenty-one trillion, one hundred twenty-one billion, twenty million, two hundred one thousand, two".