103111002021 has 8 divisors (see below), whose sum is σ = 137512965600. Its totient is φ = 68724853232.

The previous prime is 103111002019. The next prime is 103111002089. The reversal of 103111002021 is 120200111301.

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

It is a cyclic number.

It is not a de Polignac number, because 103111002021 - 2¹ = 103111002019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103111001988 and 103111002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111002091) 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, 3938475 + ... + 3964568.

It is an arithmetic number, because the mean of its divisors is an integer number (17189120700).

Almost surely, 2^103111002021 is an apocalyptic number.

It is an amenable number.

103111002021 is a deficient number, since it is larger than the sum of its proper divisors (34401963579).

103111002021 is an equidigital number, since it uses as much as digits as its factorization.

103111002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907395.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 103111002021 its reverse (120200111301), we get a palindrome (223311113322).

The spelling of 103111002021 in words is "one hundred three billion, one hundred eleven million, two thousand, twenty-one".