10002121021222 has 8 divisors (see below), whose sum is σ = 16367107125672. Its totient is φ = 4546418646000.

The previous prime is 10002121021199. The next prime is 10002121021237. The reversal of 10002121021222 is 22212012120001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10002121021196 and 10002121021205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227320932279 + ... + 227320932322.

It is an arithmetic number, because the mean of its divisors is an integer number (2045888390709).

Almost surely, 2^{10002121021222} is an apocalyptic number.

10002121021222 is a deficient number, since it is larger than the sum of its proper divisors (6364986104450).

10002121021222 is a wasteful number, since it uses less digits than its factorization.

10002121021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454641864614.

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

Adding to 10002121021222 its reverse (22212012120001), we get a palindrome (32214133141223).

The spelling of 10002121021222 in words is "ten trillion, two billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".