11111020202012 has 48 divisors (see below), whose sum is σ = 21362482058400. Its totient is φ = 5037864099840.

The previous prime is 11111020201997. The next prime is 11111020202041. The reversal of 11111020202012 is 21020202011111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33474437 + ... + 33804732.

It is an arithmetic number, because the mean of its divisors is an integer number (445051709550).

Almost surely, 2^{11111020202012} is an apocalyptic number.

It is an amenable number.

11111020202012 is a deficient number, since it is larger than the sum of its proper divisors (10251461856388).

11111020202012 is a wasteful number, since it uses less digits than its factorization.

11111020202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67279286 (or 67279284 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11111020202012 its reverse (21020202011111), we get a palindrome (32131222213123).

The spelling of 11111020202012 in words is "eleven trillion, one hundred eleven billion, twenty million, two hundred two thousand, twelve".