11211020022112 has 24 divisors (see below), whose sum is σ = 22541306217696. Its totient is φ = 5486243839872.

The previous prime is 11211020022089. The next prime is 11211020022113. The reversal of 11211020022112 is 21122002011211.

It is a super-2 number, since 2×11211020022112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211020022113) 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 3 ways as a sum of consecutive naturals, for example, 3727066323 + ... + 3727069330.

It is an arithmetic number, because the mean of its divisors is an integer number (939221092404).

Almost surely, 2^{11211020022112} is an apocalyptic number.

It is an amenable number.

11211020022112 is an abundant number, since it is smaller than the sum of its proper divisors (11330286195584).

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

11211020022112 is an equidigital number, since it uses as much as digits as its factorization.

11211020022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7454135710 (or 7454135702 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211020022112 its reverse (21122002011211), we get a palindrome (32333022033323).

The spelling of 11211020022112 in words is "eleven trillion, two hundred eleven billion, twenty million, twenty-two thousand, one hundred twelve".