11212022222100 has 288 divisors, whose sum is σ = 42070267330560. Its totient is φ = 2508221185920.

The previous prime is 11212022221969. The next prime is 11212022222101. The reversal of 11212022222100 is 122222021211.

It is a happy number.

11212022222100 is a `hidden beast` number, since 11 + 21 + 202 + 222 + 210 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212022222101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5422644 + ... + 7199243.

It is an arithmetic number, because the mean of its divisors is an integer number (146077317120).

Almost surely, 2^{11212022222100} is an apocalyptic number.

11212022222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212022222100 is an abundant number, since it is smaller than the sum of its proper divisors (30858245108460).

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

11212022222100 is a wasteful number, since it uses less digits than its factorization.

11212022222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621964 (or 12621951 counting only the distinct ones).

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

Adding to 11212022222100 its reverse (122222021211), we get a palindrome (11334244243311).

The spelling of 11212022222100 in words is "eleven trillion, two hundred twelve billion, twenty-two million, two hundred twenty-two thousand, one hundred".