11211022112012 has 24 divisors (see below), whose sum is σ = 19628365376256. Its totient is φ = 5602918011408.

The previous prime is 11211022111943. The next prime is 11211022112039. The reversal of 11211022112012 is 21021122011211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240334763 + ... + 240381405.

It is an arithmetic number, because the mean of its divisors is an integer number (817848557344).

Almost surely, 2^{11211022112012} is an apocalyptic number.

It is an amenable number.

11211022112012 is a deficient number, since it is larger than the sum of its proper divisors (8417343264244).

11211022112012 is a wasteful number, since it uses less digits than its factorization.

11211022112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73157 (or 73155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211022112012 its reverse (21021122011211), we get a palindrome (32232144123223).

The spelling of 11211022112012 in words is "eleven trillion, two hundred eleven billion, twenty-two million, one hundred twelve thousand, twelve".