111020220212 has 12 divisors (see below), whose sum is σ = 211947693216. Its totient is φ = 50463736440.

The previous prime is 111020220203. The next prime is 111020220229. The reversal of 111020220212 is 212022020111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261593368 + ... + 1261593455.

It is an arithmetic number, because the mean of its divisors is an integer number (17662307768).

Almost surely, 2^111020220212 is an apocalyptic number.

It is an amenable number.

111020220212 is a deficient number, since it is larger than the sum of its proper divisors (100927473004).

111020220212 is a wasteful number, since it uses less digits than its factorization.

111020220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523186838 (or 2523186836 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111020220212 its reverse (212022020111), we get a palindrome (323042240323).

The spelling of 111020220212 in words is "one hundred eleven billion, twenty million, two hundred twenty thousand, two hundred twelve".