10212201222121 has 8 divisors (see below), whose sum is σ = 10459710419840. Its totient is φ = 9967488738768.

The previous prime is 10212201222073. The next prime is 10212201222137. The reversal of 10212201222121 is 12122210221201.

10212201222121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10212201222121 - 2¹¹ = 10212201220073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212201223121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699171201 + ... + 699185806.

It is an arithmetic number, because the mean of its divisors is an integer number (1307463802480).

Almost surely, 2^{10212201222121} is an apocalyptic number.

It is an amenable number.

10212201222121 is a deficient number, since it is larger than the sum of its proper divisors (247509197719).

10212201222121 is a wasteful number, since it uses less digits than its factorization.

10212201222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398357183.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10212201222121 its reverse (12122210221201), we get a palindrome (22334411443322).

The spelling of 10212201222121 in words is "ten trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-one".