1003211123101 has 4 divisors (see below), whose sum is σ = 1094412134304. Its totient is φ = 912010111900.

The previous prime is 1003211123027. The next prime is 1003211123149. The reversal of 1003211123101 is 1013211123001.

It is a happy number.

1003211123101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003211123101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003211123401) 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, 45600505585 + ... + 45600505606.

It is an arithmetic number, because the mean of its divisors is an integer number (273603033576).

Almost surely, 2^{1003211123101} is an apocalyptic number.

1003211123101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003211123101 is a deficient number, since it is larger than the sum of its proper divisors (91201011203).

1003211123101 is an equidigital number, since it uses as much as digits as its factorization.

1003211123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91201011202.

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

Adding to 1003211123101 its reverse (1013211123001), we get a palindrome (2016422246102).

The spelling of 1003211123101 in words is "one trillion, three billion, two hundred eleven million, one hundred twenty-three thousand, one hundred one".