2212212111020 has 24 divisors (see below), whose sum is σ = 4648245197904. Its totient is φ = 884389651136.

The previous prime is 2212212111001. The next prime is 2212212111059. The reversal of 2212212111020 is 201112122122.

It is a self number, because there is not a number n which added to its sum of digits gives 2212212111020.

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 7 ways as a sum of consecutive naturals, for example, 30912947 + ... + 30984426.

It is an arithmetic number, because the mean of its divisors is an integer number (193676883246).

Almost surely, 2^{2212212111020} is an apocalyptic number.

2212212111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212212111020 is an abundant number, since it is smaller than the sum of its proper divisors (2436033086884).

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

2212212111020 is a wasteful number, since it uses less digits than its factorization.

2212212111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61899169 (or 61899167 counting only the distinct ones).

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

Adding to 2212212111020 its reverse (201112122122), we get a palindrome (2413324233142).

It can be divided in two parts, 2212212 and 111020, that added together give a palindrome (2323232).

The spelling of 2212212111020 in words is "two trillion, two hundred twelve billion, two hundred twelve million, one hundred eleven thousand, twenty".