11222211010100 has 36 divisors (see below), whose sum is σ = 24593308784268. Its totient is φ = 4444440000000.

The previous prime is 11222211010099. The next prime is 11222211010103. The reversal of 11222211010100 is 101011222211.

It can be written as a sum of positive squares in 6 ways, for example, as 1180182395044 + 10042028615056 = 1086362^2 + 3168916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222211010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555544901 + ... + 555565100.

Almost surely, 2^{11222211010100} is an apocalyptic number.

11222211010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222211010100 is an abundant number, since it is smaller than the sum of its proper divisors (13371097774168).

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

11222211010100 is a wasteful number, since it uses less digits than its factorization.

11222211010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111110116 (or 1111110109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222211010100 its reverse (101011222211), we get a palindrome (11323222232311).

The spelling of 11222211010100 in words is "eleven trillion, two hundred twenty-two billion, two hundred eleven million, ten thousand, one hundred".