11101122312020 has 48 divisors (see below), whose sum is σ = 25201073842560. Its totient is φ = 4083290825856.

The previous prime is 11101122312001. The next prime is 11101122312023. The reversal of 11101122312020 is 2021322110111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101122312020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101122312023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81103910 + ... + 81240669.

It is an arithmetic number, because the mean of its divisors is an integer number (525022371720).

Almost surely, 2^{11101122312020} is an apocalyptic number.

11101122312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101122312020 is an abundant number, since it is smaller than the sum of its proper divisors (14099951530540).

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

11101122312020 is a wasteful number, since it uses less digits than its factorization.

11101122312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162344864 (or 162344862 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11101122312020 its reverse (2021322110111), we get a palindrome (13122444422131).

The spelling of 11101122312020 in words is "eleven trillion, one hundred one billion, one hundred twenty-two million, three hundred twelve thousand, twenty".