1003111020101 has 4 divisors (see below), whose sum is σ = 1003530909900. Its totient is φ = 1002691130304.

The previous prime is 1003111020091. The next prime is 1003111020139. The reversal of 1003111020101 is 1010201113001.

It is a happy number.

1003111020101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 676185513025 + 326925507076 = 822305^2 + 571774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003111020101 - 2¹⁴ = 1003111003717 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 (1003111020001) 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, 209941316 + ... + 209946093.

It is an arithmetic number, because the mean of its divisors is an integer number (250882727475).

Almost surely, 2^{1003111020101} is an apocalyptic number.

It is an amenable number.

1003111020101 is a deficient number, since it is larger than the sum of its proper divisors (419889799).

1003111020101 is an equidigital number, since it uses as much as digits as its factorization.

1003111020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419889798.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 1003111020101 its reverse (1010201113001), we get a palindrome (2013312133102).

The spelling of 1003111020101 in words is "one trillion, three billion, one hundred eleven million, twenty thousand, one hundred one".