103111212213212 has 24 divisors (see below), whose sum is σ = 211796003467104. Its totient is φ = 42996181154112.

The previous prime is 103111212213193. The next prime is 103111212213277. The reversal of 103111212213212 is 212312212111301.

It is a super-2 number, since 2×103111212213212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 49764097523 + ... + 49764099594.

It is an arithmetic number, because the mean of its divisors is an integer number (8824833477796).

Almost surely, 2^{103111212213212} is an apocalyptic number.

It is an amenable number.

103111212213212 is an abundant number, since it is smaller than the sum of its proper divisors (108684791253892).

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

103111212213212 is a wasteful number, since it uses less digits than its factorization.

103111212213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99528197165 (or 99528197163 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 103111212213212 its reverse (212312212111301), we get a palindrome (315423424324513).

The spelling of 103111212213212 in words is "one hundred three trillion, one hundred eleven billion, two hundred twelve million, two hundred thirteen thousand, two hundred twelve".