111020220210212 has 72 divisors (see below), whose sum is σ = 222300932847840. Its totient is φ = 48344033848320.

The previous prime is 111020220210203. The next prime is 111020220210241. The reversal of 111020220210212 is 212012022020111.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57830489 + ... + 59719392.

It is an arithmetic number, because the mean of its divisors is an integer number (3087512956220).

Almost surely, 2^{111020220210212} is an apocalyptic number.

It is an amenable number.

111020220210212 is an abundant number, since it is smaller than the sum of its proper divisors (111280712637628).

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

111020220210212 is a wasteful number, since it uses less digits than its factorization.

111020220210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117549981 (or 117549962 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111020220210212 its reverse (212012022020111), we get a palindrome (323032242230323).

The spelling of 111020220210212 in words is "one hundred eleven trillion, twenty billion, two hundred twenty million, two hundred ten thousand, two hundred twelve".