102243111124 has 48 divisors (see below), whose sum is σ = 225375696000. Its totient is φ = 39424296960.

The previous prime is 102243111083. The next prime is 102243111137. The reversal of 102243111124 is 421111342201.

It is a super-2 number, since 2×102243111124² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102243111095 and 102243111104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681249 + ... + 1741000.

It is an arithmetic number, because the mean of its divisors is an integer number (4695327000).

Almost surely, 2^102243111124 is an apocalyptic number.

102243111124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102243111124 is an abundant number, since it is smaller than the sum of its proper divisors (123132584876).

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

102243111124 is a wasteful number, since it uses less digits than its factorization.

102243111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422368 (or 3422366 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 102243111124 its reverse (421111342201), we get a palindrome (523354453325).

The spelling of 102243111124 in words is "one hundred two billion, two hundred forty-three million, one hundred eleven thousand, one hundred twenty-four".