10011112212020 has 12 divisors (see below), whose sum is σ = 21023335645284. Its totient is φ = 4004444884800.

The previous prime is 10011112211861. The next prime is 10011112212097. The reversal of 10011112212020 is 2021221111001.

It can be written as a sum of positive squares in 2 ways, for example, as 1146689738896 + 8864422473124 = 1070836^2 + 2977318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10011112211986 and 10011112212004.

It is a congruent number.

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, 250277805281 + ... + 250277805320.

It is an arithmetic number, because the mean of its divisors is an integer number (1751944637107).

Almost surely, 2^{10011112212020} is an apocalyptic number.

10011112212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011112212020 is an abundant number, since it is smaller than the sum of its proper divisors (11012223433264).

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

10011112212020 is a wasteful number, since it uses less digits than its factorization.

10011112212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500555610610 (or 500555610608 counting only the distinct ones).

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

Adding to 10011112212020 its reverse (2021221111001), we get a palindrome (12032333323021).

The spelling of 10011112212020 in words is "ten trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, twenty".