103121102043 has 24 divisors (see below), whose sum is σ = 158659064928. Its totient is φ = 64315974912.

The previous prime is 103121102039. The next prime is 103121102057. The reversal of 103121102043 is 340201121301.

It is not a de Polignac number, because 103121102043 - 2² = 103121102039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103121102003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1992396 + ... + 2043497.

It is an arithmetic number, because the mean of its divisors is an integer number (6610794372).

Almost surely, 2^103121102043 is an apocalyptic number.

103121102043 is a deficient number, since it is larger than the sum of its proper divisors (55537962885).

103121102043 is a wasteful number, since it uses less digits than its factorization.

103121102043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036083 (or 4036080 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103121102043 its reverse (340201121301), we get a palindrome (443322223344).

The spelling of 103121102043 in words is "one hundred three billion, one hundred twenty-one million, one hundred two thousand, forty-three".