10121221211203 has 8 divisors (see below), whose sum is σ = 10466009455616. Its totient is φ = 9777576544200.

The previous prime is 10121221211201. The next prime is 10121221211209. The reversal of 10121221211203 is 30211212212101.

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 10121221211203 - 2¹ = 10121221211201 is a prime.

It is a super-2 number, since 2×10121221211203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121221211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285876351 + ... + 285911752.

It is an arithmetic number, because the mean of its divisors is an integer number (1308251181952).

Almost surely, 2^{10121221211203} is an apocalyptic number.

10121221211203 is a deficient number, since it is larger than the sum of its proper divisors (344788244413).

10121221211203 is an equidigital number, since it uses as much as digits as its factorization.

10121221211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571788705.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 10121221211203 its reverse (30211212212101), we get a palindrome (40332433423304).

The spelling of 10121221211203 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred eleven thousand, two hundred three".