11100001202220 has 120 divisors (see below), whose sum is σ = 36257846963184. Its totient is φ = 2537143099008.

The previous prime is 11100001202201. The next prime is 11100001202239. The reversal of 11100001202220 is 2220210000111.

It is an interprime number because it is at equal distance from previous prime (11100001202201) and next prime (11100001202239).

It is a super-3 number, since 3×11100001202220³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11100001202196 and 11100001202205.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38381559 + ... + 38669678.

Almost surely, 2^{11100001202220} is an apocalyptic number.

11100001202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100001202220 is an abundant number, since it is smaller than the sum of its proper divisors (25157845760964).

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

11100001202220 is an equidigital number, since it uses as much as digits as its factorization.

11100001202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77051277 (or 77051254 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11100001202220 its reverse (2220210000111), we get a palindrome (13320211202331).

The spelling of 11100001202220 in words is "eleven trillion, one hundred billion, one million, two hundred two thousand, two hundred twenty".