11012121222200 has 144 divisors (see below), whose sum is σ = 31535252061120. Its totient is φ = 3553491164160.

The previous prime is 11012121222197. The next prime is 11012121222233. The reversal of 11012121222200 is 222212121011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32882984 + ... + 33216183.

It is an arithmetic number, because the mean of its divisors is an integer number (218994805980).

Almost surely, 2^{11012121222200} is an apocalyptic number.

11012121222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012121222200 is an abundant number, since it is smaller than the sum of its proper divisors (20523130838920).

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

11012121222200 is a wasteful number, since it uses less digits than its factorization.

11012121222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66099214 (or 66099198 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11012121222200 its reverse (222212121011), we get a palindrome (11234333343211).

The spelling of 11012121222200 in words is "eleven trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred".