11212120112022 has 48 divisors (see below), whose sum is σ = 24354555413760. Its totient is φ = 3727902150576.

The previous prime is 11212120111981. The next prime is 11212120112071. The reversal of 11212120112022 is 22021102121211.

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 = 11212120111986 and 11212120112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12947343 + ... + 13786149.

It is an arithmetic number, because the mean of its divisors is an integer number (507386571120).

Almost surely, 2^{11212120112022} is an apocalyptic number.

11212120112022 is an abundant number, since it is smaller than the sum of its proper divisors (13142435301738).

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

11212120112022 is a wasteful number, since it uses less digits than its factorization.

11212120112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840697 (or 840694 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11212120112022 its reverse (22021102121211), we get a palindrome (33233222233233).

The spelling of 11212120112022 in words is "eleven trillion, two hundred twelve billion, one hundred twenty million, one hundred twelve thousand, twenty-two".