11212100222022 has 192 divisors, whose sum is σ = 29207150208000. Its totient is φ = 3178775021184.

The previous prime is 11212100221999. The next prime is 11212100222069. The reversal of 11212100222022 is 22022200121211.

It is a happy number.

It is a super-2 number, since 2×11212100222022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11212100221986 and 11212100222004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1203139479 + ... + 1203148797.

It is an arithmetic number, because the mean of its divisors is an integer number (152120574000).

Almost surely, 2^{11212100222022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212100222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14603575104000).

11212100222022 is an abundant number, since it is smaller than the sum of its proper divisors (17995049985978).

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

11212100222022 is a wasteful number, since it uses less digits than its factorization.

11212100222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800 (or 12787 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11212100222022 its reverse (22022200121211), we get a palindrome (33234300343233).

The spelling of 11212100222022 in words is "eleven trillion, two hundred twelve billion, one hundred million, two hundred twenty-two thousand, twenty-two".