113402212002 has 64 divisors (see below), whose sum is σ = 255298521600. Its totient is φ = 37307088000.

The previous prime is 113402211997. The next prime is 113402212003. The reversal of 113402212002 is 200212204311.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (113402212003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16194502 + ... + 16201502.

It is an arithmetic number, because the mean of its divisors is an integer number (3989039400).

Almost surely, 2^113402212002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113402212002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127649260800).

113402212002 is an abundant number, since it is smaller than the sum of its proper divisors (141896309598).

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

113402212002 is a wasteful number, since it uses less digits than its factorization.

113402212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10888 (or 10882 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 113402212002 its reverse (200212204311), we get a palindrome (313614416313).

The spelling of 113402212002 in words is "one hundred thirteen billion, four hundred two million, two hundred twelve thousand, two".