212011221011020 has 12 divisors (see below), whose sum is σ = 445223564123184. Its totient is φ = 84804488404400.

The previous prime is 212011221010987. The next prime is 212011221011171. The reversal of 212011221011020 is 20110122110212.

It is a super-2 number, since 2×212011221011020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212011221010985 and 212011221011003.

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, 5300280525256 + ... + 5300280525295.

It is an arithmetic number, because the mean of its divisors is an integer number (37101963676932).

Almost surely, 2^{212011221011020} is an apocalyptic number.

212011221011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011221011020 is an abundant number, since it is smaller than the sum of its proper divisors (233212343112164).

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

212011221011020 is a wasteful number, since it uses less digits than its factorization.

212011221011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600561050560 (or 10600561050558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212011221011020 its reverse (20110122110212), we get a palindrome (232121343121232).

The spelling of 212011221011020 in words is "two hundred twelve trillion, eleven billion, two hundred twenty-one million, eleven thousand, twenty".