103111211210203 has 16 divisors (see below), whose sum is σ = 117960228674496. Its totient is φ = 88291908587520.

The previous prime is 103111211210197. The next prime is 103111211210269. The reversal of 103111211210203 is 302012112111301.

It is a cyclic number.

It is not a de Polignac number, because 103111211210203 - 2⁵ = 103111211210171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111211210003) 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, 408265723 + ... + 408518203.

It is an arithmetic number, because the mean of its divisors is an integer number (7372514292156).

Almost surely, 2^{103111211210203} is an apocalyptic number.

103111211210203 is a deficient number, since it is larger than the sum of its proper divisors (14849017464293).

103111211210203 is a wasteful number, since it uses less digits than its factorization.

103111211210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311094.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 103111211210203 its reverse (302012112111301), we get a palindrome (405123323321504).

The spelling of 103111211210203 in words is "one hundred three trillion, one hundred eleven billion, two hundred eleven million, two hundred ten thousand, two hundred three".