11102100211220 has 24 divisors (see below), whose sum is σ = 23318812102824. Its totient is φ = 4440001673216.

The previous prime is 11102100211183. The next prime is 11102100211229. The reversal of 11102100211220 is 2211200120111.

It can be written as a sum of positive squares in 4 ways, for example, as 947706144004 + 10154394067216 = 973502^2 + 3186596^2 .

It is a super-2 number, since 2×11102100211220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11102100211195 and 11102100211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102100211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52292117 + ... + 52503996.

It is an arithmetic number, because the mean of its divisors is an integer number (971617170951).

Almost surely, 2^{11102100211220} is an apocalyptic number.

11102100211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102100211220 is an abundant number, since it is smaller than the sum of its proper divisors (12216711891604).

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

11102100211220 is a wasteful number, since it uses less digits than its factorization.

11102100211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104801419 (or 104801417 counting only the distinct ones).

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

Adding to 11102100211220 its reverse (2211200120111), we get a palindrome (13313300331331).

The spelling of 11102100211220 in words is "eleven trillion, one hundred two billion, one hundred million, two hundred eleven thousand, two hundred twenty".