111020112102122 has 48 divisors (see below), whose sum is σ = 170836214712288. Its totient is φ = 54109816659360.

The previous prime is 111020112102101. The next prime is 111020112102161. The reversal of 111020112102122 is 221201211020111.

It is a self number, because there is not a number n which added to its sum of digits gives 111020112102122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457932853 + ... + 1458008999.

It is an arithmetic number, because the mean of its divisors is an integer number (3559087806506).

Almost surely, 2^{111020112102122} is an apocalyptic number.

111020112102122 is a deficient number, since it is larger than the sum of its proper divisors (59816102610166).

111020112102122 is an equidigital number, since it uses as much as digits as its factorization.

111020112102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77571 (or 77524 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111020112102122 its reverse (221201211020111), we get a palindrome (332221323122233).

The spelling of 111020112102122 in words is "one hundred eleven trillion, twenty billion, one hundred twelve million, one hundred two thousand, one hundred twenty-two".