1102143424420 has 12 divisors (see below), whose sum is σ = 2314501191324. Its totient is φ = 440857369760.

The previous prime is 1102143424399. The next prime is 1102143424427. The reversal of 1102143424420 is 244243412011.

It can be written as a sum of positive squares in 2 ways, for example, as 840973366116 + 261170058304 = 917046^2 + 511048^2 .

It is not an unprimeable number, because it can be changed into a prime (1102143424427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27553585591 + ... + 27553585630.

It is an arithmetic number, because the mean of its divisors is an integer number (192875099277).

Almost surely, 2^{1102143424420} is an apocalyptic number.

1102143424420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102143424420 is an abundant number, since it is smaller than the sum of its proper divisors (1212357766904).

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

1102143424420 is a wasteful number, since it uses less digits than its factorization.

1102143424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55107171230 (or 55107171228 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1102143424420 its reverse (244243412011), we get a palindrome (1346386836431).

The spelling of 1102143424420 in words is "one trillion, one hundred two billion, one hundred forty-three million, four hundred twenty-four thousand, four hundred twenty".