111212110102148 has 48 divisors (see below), whose sum is σ = 221548933468800. Its totient is φ = 48352248806400.

The previous prime is 111212110102147. The next prime is 111212110102283. The reversal of 111212110102148 is 841201011212111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111212110102147) 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, 59003828 + ... + 60859476.

It is an arithmetic number, because the mean of its divisors is an integer number (4615602780600).

Almost surely, 2^{111212110102148} is an apocalyptic number.

It is an amenable number.

111212110102148 is a deficient number, since it is larger than the sum of its proper divisors (110336823366652).

111212110102148 is a wasteful number, since it uses less digits than its factorization.

111212110102148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914908 (or 1914906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 26.

Adding to 111212110102148 its reverse (841201011212111), we get a palindrome (952413121314259).

The spelling of 111212110102148 in words is "one hundred eleven trillion, two hundred twelve billion, one hundred ten million, one hundred two thousand, one hundred forty-eight".