11102111102020 has 12 divisors (see below), whose sum is σ = 23314433314284. Its totient is φ = 4440844440800.

The previous prime is 11102111101987. The next prime is 11102111102053. The reversal of 11102111102020 is 2020111120111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11102111101987) and next prime (11102111102053).

It can be written as a sum of positive squares in 2 ways, for example, as 4430511394884 + 6671599707136 = 2104878^2 + 2582944^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 277552777531 + ... + 277552777570.

It is an arithmetic number, because the mean of its divisors is an integer number (1942869442857).

Almost surely, 2^{11102111102020} is an apocalyptic number.

11102111102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102111102020 is an abundant number, since it is smaller than the sum of its proper divisors (12212322212264).

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

11102111102020 is a wasteful number, since it uses less digits than its factorization.

11102111102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555105555110 (or 555105555108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11102111102020 its reverse (2020111120111), we get a palindrome (13122222222131).

The spelling of 11102111102020 in words is "eleven trillion, one hundred two billion, one hundred eleven million, one hundred two thousand, twenty".