103031223001021 has 16 divisors (see below), whose sum is σ = 120153565600000. Its totient is φ = 88312083000624.

The previous prime is 103031223001013. The next prime is 103031223001051. The reversal of 103031223001021 is 120100322130301.

It is not a de Polignac number, because 103031223001021 - 2³ = 103031223001013 is a prime.

It is a super-2 number, since 2×103031223001021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103031223001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031223001051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97141456 + ... + 98196358.

It is an arithmetic number, because the mean of its divisors is an integer number (7509597850000).

Almost surely, 2^{103031223001021} is an apocalyptic number.

It is an amenable number.

103031223001021 is a deficient number, since it is larger than the sum of its proper divisors (17122342598979).

103031223001021 is an equidigital number, since it uses as much as digits as its factorization.

103031223001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339673 (or 1339659 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103031223001021 its reverse (120100322130301), we get a palindrome (223131545131322).

The spelling of 103031223001021 in words is "one hundred three trillion, thirty-one billion, two hundred twenty-three million, one thousand, twenty-one".