10121021311003 has 4 divisors (see below), whose sum is σ = 10200714392320. Its totient is φ = 10041328229688.

The previous prime is 10121021310977. The next prime is 10121021311057. The reversal of 10121021311003 is 30011312012101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121021311003 - 2⁴¹ = 7921998055451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121021311103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39846540468 + ... + 39846540721.

It is an arithmetic number, because the mean of its divisors is an integer number (2550178598080).

Almost surely, 2^{10121021311003} is an apocalyptic number.

10121021311003 is a deficient number, since it is larger than the sum of its proper divisors (79693081317).

10121021311003 is an equidigital number, since it uses as much as digits as its factorization.

10121021311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79693081316.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10121021311003 its reverse (30011312012101), we get a palindrome (40132333323104).

The spelling of 10121021311003 in words is "ten trillion, one hundred twenty-one billion, twenty-one million, three hundred eleven thousand, three".