21030121000222 has 8 divisors (see below), whose sum is σ = 31640484164472. Its totient is φ = 10483292945400.

The previous prime is 21030121000159. The next prime is 21030121000267. The reversal of 21030121000222 is 22200012103012.

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 = 21030121000196 and 21030121000205.

It is a congruent number.

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, 15883776529 + ... + 15883777852.

It is an arithmetic number, because the mean of its divisors is an integer number (3955060520559).

Almost surely, 2^{21030121000222} is an apocalyptic number.

21030121000222 is a deficient number, since it is larger than the sum of its proper divisors (10610363164250).

21030121000222 is a wasteful number, since it uses less digits than its factorization.

21030121000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31767554714.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21030121000222 its reverse (22200012103012), we get a palindrome (43230133103234).

The spelling of 21030121000222 in words is "twenty-one trillion, thirty billion, one hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.