11211110022 has 32 divisors (see below), whose sum is σ = 25637624064. Its totient is φ = 3201645600.

The previous prime is 11211110011. The next prime is 11211110023. The reversal of 11211110022 is 22001111211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211110023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26872 + ... + 152132.

It is an arithmetic number, because the mean of its divisors is an integer number (801175752).

Almost surely, 2^11211110022 is an apocalyptic number.

11211110022 is an abundant number, since it is smaller than the sum of its proper divisors (14426514042).

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

11211110022 is a wasteful number, since it uses less digits than its factorization.

11211110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127404.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11211110022 its reverse (22001111211), we get a palindrome (33212221233).

The spelling of 11211110022 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, twenty-two".