12211103320020 has 144 divisors (see below), whose sum is σ = 41499749910528. Its totient is φ = 2880260225280.

The previous prime is 12211103319991. The next prime is 12211103320051. The reversal of 12211103320020 is 2002330111221.

12211103320020 is a `hidden beast` number, since 1 + 221 + 1 + 103 + 320 + 0 + 20 = 666.

It is a super-2 number, since 2×12211103320020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12211103319975 and 12211103320002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83267604 + ... + 83414123.

It is an arithmetic number, because the mean of its divisors is an integer number (288192707712).

Almost surely, 2^{12211103320020} is an apocalyptic number.

12211103320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211103320020 is an abundant number, since it is smaller than the sum of its proper divisors (29288646590508).

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

12211103320020 is a wasteful number, since it uses less digits than its factorization.

12211103320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166681790 (or 166681785 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12211103320020 its reverse (2002330111221), we get a palindrome (14213433431241).

The spelling of 12211103320020 in words is "twelve trillion, two hundred eleven billion, one hundred three million, three hundred twenty thousand, twenty".