11201213122002 has 48 divisors (see below), whose sum is σ = 25367188099968. Its totient is φ = 3565378608000.

The previous prime is 11201213121997. The next prime is 11201213122013. The reversal of 11201213122002 is 20022131210211.

11201213122002 is a `hidden beast` number, since 11 + 20 + 121 + 312 + 200 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 22567374 + ... + 23058377.

It is an arithmetic number, because the mean of its divisors is an integer number (528483085416).

Almost surely, 2^{11201213122002} is an apocalyptic number.

11201213122002 is an abundant number, since it is smaller than the sum of its proper divisors (14165974977966).

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

11201213122002 is a wasteful number, since it uses less digits than its factorization.

11201213122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45626375 (or 45626372 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11201213122002 its reverse (20022131210211), we get a palindrome (31223344332213).

The spelling of 11201213122002 in words is "eleven trillion, two hundred one billion, two hundred thirteen million, one hundred twenty-two thousand, two".