1020201331103 has 4 divisors (see below), whose sum is σ = 1020203961480. Its totient is φ = 1020198700728.

The previous prime is 1020201331073. The next prime is 1020201331111. The reversal of 1020201331103 is 3011331020201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020201331103 is a prime.

It is a super-3 number, since 3×1020201331103³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201331603) 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, 605900 + ... + 1551617.

It is an arithmetic number, because the mean of its divisors is an integer number (255050990370).

Almost surely, 2^{1020201331103} is an apocalyptic number.

1020201331103 is a deficient number, since it is larger than the sum of its proper divisors (2630377).

1020201331103 is an equidigital number, since it uses as much as digits as its factorization.

1020201331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630376.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1020201331103 its reverse (3011331020201), we get a palindrome (4031532351304).

The spelling of 1020201331103 in words is "one trillion, twenty billion, two hundred one million, three hundred thirty-one thousand, one hundred three".