1122212011011 has 24 divisors (see below), whose sum is σ = 1874464021584. Its totient is φ = 591936004800.

The previous prime is 1122212011009. The next prime is 1122212011021. The reversal of 1122212011011 is 1101102122211.

It is a happy number.

It is not a de Polignac number, because 1122212011011 - 2¹ = 1122212011009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122212011021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293617140 + ... + 293620961.

It is an arithmetic number, because the mean of its divisors is an integer number (78102667566).

Almost surely, 2^{1122212011011} is an apocalyptic number.

1122212011011 is a deficient number, since it is larger than the sum of its proper divisors (752252010573).

1122212011011 is a wasteful number, since it uses less digits than its factorization.

1122212011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587238131 (or 587238124 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1122212011011 its reverse (1101102122211), we get a palindrome (2223314133222).

The spelling of 1122212011011 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, eleven".