1020112240402 has 16 divisors (see below), whose sum is σ = 1570352651712. Its totient is φ = 496823717520.

The previous prime is 1020112240361. The next prime is 1020112240417. The reversal of 1020112240402 is 2040422110201.

It is a super-2 number, since 2×1020112240402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1020112240402.

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 7 ways as a sum of consecutive naturals, for example, 40577608 + ... + 40602739.

It is an arithmetic number, because the mean of its divisors is an integer number (98147040732).

Almost surely, 2^{1020112240402} is an apocalyptic number.

1020112240402 is a deficient number, since it is larger than the sum of its proper divisors (550240411310).

1020112240402 is a wasteful number, since it uses less digits than its factorization.

1020112240402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81180513.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1020112240402 its reverse (2040422110201), we get a palindrome (3060534350603).

The spelling of 1020112240402 in words is "one trillion, twenty billion, one hundred twelve million, two hundred forty thousand, four hundred two".