221002025263044 has 48 divisors (see below), whose sum is σ = 530767338073728. Its totient is φ = 71519491461888.

The previous prime is 221002025263039. The next prime is 221002025263073. The reversal of 221002025263044 is 440362520200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002025262996 and 221002025263014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544383864 + ... + 544789679.

It is an arithmetic number, because the mean of its divisors is an integer number (11057652876536).

Almost surely, 2^{221002025263044} is an apocalyptic number.

It is an amenable number.

221002025263044 is an abundant number, since it is smaller than the sum of its proper divisors (309765312810684).

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

221002025263044 is a wasteful number, since it uses less digits than its factorization.

221002025263044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089174044 (or 1089174042 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 221002025263044 its reverse (440362520200122), we get a palindrome (661364545463166).

The spelling of 221002025263044 in words is "two hundred twenty-one trillion, two billion, twenty-five million, two hundred sixty-three thousand, forty-four".