103111032021 has 8 divisors (see below), whose sum is σ = 137491658304. Its totient is φ = 68735546880.

The previous prime is 103111031987. The next prime is 103111032071. The reversal of 103111032021 is 120230111301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103111032021 - 2⁹ = 103111031509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111032071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238241 + ... + 1318886.

It is an arithmetic number, because the mean of its divisors is an integer number (17186457288).

Almost surely, 2^103111032021 is an apocalyptic number.

It is an amenable number.

103111032021 is a deficient number, since it is larger than the sum of its proper divisors (34380626283).

103111032021 is a wasteful number, since it uses less digits than its factorization.

103111032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570571.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103111032021 its reverse (120230111301), we get a palindrome (223341143322).

The spelling of 103111032021 in words is "one hundred three billion, one hundred eleven million, thirty-two thousand, twenty-one".