2212113211020 has 72 divisors (see below), whose sum is σ = 6762912059904. Its totient is φ = 585251993088.

The previous prime is 2212113211019. The next prime is 2212113211043. The reversal of 2212113211020 is 201123112122.

2212113211020 is a `hidden beast` number, since 221 + 21 + 1 + 321 + 102 + 0 = 666.

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 = 2212113210984 and 2212113211002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48361069 + ... + 48406788.

Almost surely, 2^{2212113211020} is an apocalyptic number.

2212113211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212113211020 is an abundant number, since it is smaller than the sum of its proper divisors (4550798848884).

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

2212113211020 is a wasteful number, since it uses less digits than its factorization.

2212113211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96767999 (or 96767994 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2212113211020 its reverse (201123112122), we get a palindrome (2413236323142).

The spelling of 2212113211020 in words is "two trillion, two hundred twelve billion, one hundred thirteen million, two hundred eleven thousand, twenty".