103111210212 has 24 divisors (see below), whose sum is σ = 240602021856. Its totient is φ = 34369089408.

The previous prime is 103111210207. The next prime is 103111210259. The reversal of 103111210212 is 212012111301.

It is a junction number, because it is equal to n+sod(n) for n = 103111210191 and 103111210200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193963 + ... + 493805.

It is an arithmetic number, because the mean of its divisors is an integer number (10025084244).

Almost surely, 2^103111210212 is an apocalyptic number.

103111210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103111210212 is an abundant number, since it is smaller than the sum of its proper divisors (137490811644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103111210212 is a wasteful number, since it uses less digits than its factorization.

103111210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328507 (or 328505 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 103111210212 its reverse (212012111301), we get a palindrome (315123321513).

The spelling of 103111210212 in words is "one hundred three billion, one hundred eleven million, two hundred ten thousand, two hundred twelve".