103021115105 has 32 divisors (see below), whose sum is σ = 131250240000. Its totient is φ = 77507829504.

The previous prime is 103021115089. The next prime is 103021115111. The reversal of 103021115105 is 501511120301.

It is a happy number.

It is not a de Polignac number, because 103021115105 - 2⁴ = 103021115089 is a prime.

It is a super-2 number, since 2×103021115105² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877256 + ... + 987734.

It is an arithmetic number, because the mean of its divisors is an integer number (4101570000).

Almost surely, 2^103021115105 is an apocalyptic number.

It is an amenable number.

103021115105 is a deficient number, since it is larger than the sum of its proper divisors (28229124895).

103021115105 is a wasteful number, since it uses less digits than its factorization.

103021115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110681.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 103021115105 its reverse (501511120301), we get a palindrome (604532235406).

The spelling of 103021115105 in words is "one hundred three billion, twenty-one million, one hundred fifteen thousand, one hundred five".