212222001111020 has 12 divisors (see below), whose sum is σ = 445666202333184. Its totient is φ = 84888800444400.

The previous prime is 212222001110953. The next prime is 212222001111037. The reversal of 212222001111020 is 20111100222212.

It is a super-3 number, since 3×212222001111020³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 212222001111020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305550027756 + ... + 5305550027795.

It is an arithmetic number, because the mean of its divisors is an integer number (37138850194432).

Almost surely, 2^{212222001111020} is an apocalyptic number.

212222001111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222001111020 is an abundant number, since it is smaller than the sum of its proper divisors (233444201222164).

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

212222001111020 is a wasteful number, since it uses less digits than its factorization.

212222001111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611100055560 (or 10611100055558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212222001111020 its reverse (20111100222212), we get a palindrome (232333101333232).

The spelling of 212222001111020 in words is "two hundred twelve trillion, two hundred twenty-two billion, one million, one hundred eleven thousand, twenty".