11212112021110 has 256 divisors, whose sum is σ = 27385247232000. Its totient is φ = 3191622912000.

The previous prime is 11212112021081. The next prime is 11212112021111. The reversal of 11212112021110 is 1112021121211.

It is a super-2 number, since 2×11212112021110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212112021111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1808693791 + ... + 1808699989.

It is an arithmetic number, because the mean of its divisors is an integer number (106973622000).

Almost surely, 2^{11212112021110} is an apocalyptic number.

11212112021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212112021110 is an abundant number, since it is smaller than the sum of its proper divisors (16173135210890).

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

11212112021110 is a wasteful number, since it uses less digits than its factorization.

11212112021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127.

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

Adding to 11212112021110 its reverse (1112021121211), we get a palindrome (12324133142321).

The spelling of 11212112021110 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred ten".