10221210000121 has 16 divisors (see below), whose sum is σ = 11021944046400. Its totient is φ = 9446768812800.

The previous prime is 10221210000119. The next prime is 10221210000143. The reversal of 10221210000121 is 12100001212201.

It is a cyclic number.

It is not a de Polignac number, because 10221210000121 - 2¹ = 10221210000119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221270000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25923426 + ... + 26314756.

It is an arithmetic number, because the mean of its divisors is an integer number (688871502900).

Almost surely, 2^{10221210000121} is an apocalyptic number.

It is an amenable number.

10221210000121 is a deficient number, since it is larger than the sum of its proper divisors (800734046279).

10221210000121 is a wasteful number, since it uses less digits than its factorization.

10221210000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424920.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221210000121 its reverse (12100001212201), we get a palindrome (22321211212322).

It can be divided in two parts, 10221210000 and 121, that multiplied together give a square (1236766410000 = 1112100²).

The spelling of 10221210000121 in words is "ten trillion, two hundred twenty-one billion, two hundred ten million, one hundred twenty-one", and thus it is an aban number.