11123020312002 has 24 divisors (see below), whose sum is σ = 24119359911036. Its totient is φ = 3704676119136.

The previous prime is 11123020311961. The next prime is 11123020312013. The reversal of 11123020312002 is 20021302032111.

11123020312002 is a `hidden beast` number, since 111 + 230 + 203 + 120 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9556314986241 + 1566705325761 = 3091329^2 + 1251681^2 .

It is a super-2 number, since 2×11123020312002² (a number of 27 digits) contains 22 as substring.

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

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 11 ways as a sum of consecutive naturals, for example, 249753633 + ... + 249798164.

Almost surely, 2^{11123020312002} is an apocalyptic number.

11123020312002 is an abundant number, since it is smaller than the sum of its proper divisors (12996339599034).

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

11123020312002 is a wasteful number, since it uses less digits than its factorization.

11123020312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499553042 (or 499553039 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11123020312002 its reverse (20021302032111), we get a palindrome (31144322344113).

The spelling of 11123020312002 in words is "eleven trillion, one hundred twenty-three billion, twenty million, three hundred twelve thousand, two".