112111222020102 has 40 divisors (see below), whose sum is σ = 251583249660336. Its totient is φ = 37315207292688.

The previous prime is 112111222020041. The next prime is 112111222020211. The reversal of 112111222020102 is 201020222111211.

It is a super-2 number, since 2×112111222020102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 511001538 + ... + 511220885.

Almost surely, 2^{112111222020102} is an apocalyptic number.

112111222020102 is an abundant number, since it is smaller than the sum of its proper divisors (139472027640234).

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

112111222020102 is a wasteful number, since it uses less digits than its factorization.

112111222020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022223114 (or 1022223105 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112111222020102 its reverse (201020222111211), we get a palindrome (313131444131313).

The spelling of 112111222020102 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred twenty-two million, twenty thousand, one hundred two".