11131231020202 has 16 divisors (see below), whose sum is σ = 17679121724160. Its totient is φ = 5238194436288.

The previous prime is 11131231020167. The next prime is 11131231020223. The reversal of 11131231020202 is 20202013213111.

It is a self number, because there is not a number n which added to its sum of digits gives 11131231020202.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5225383 + ... + 7040389.

It is an arithmetic number, because the mean of its divisors is an integer number (1104945107760).

Almost surely, 2^{11131231020202} is an apocalyptic number.

11131231020202 is a deficient number, since it is larger than the sum of its proper divisors (6547890703958).

11131231020202 is a wasteful number, since it uses less digits than its factorization.

11131231020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995405.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11131231020202 its reverse (20202013213111), we get a palindrome (31333244233313).

The spelling of 11131231020202 in words is "eleven trillion, one hundred thirty-one billion, two hundred thirty-one million, twenty thousand, two hundred two".