2212131122220 has 48 divisors (see below), whose sum is σ = 6195214499040. Its totient is φ = 589782836736.

The previous prime is 2212131122171. The next prime is 2212131122231. The reversal of 2212131122220 is 222211312122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3411747 + ... + 4008026.

It is an arithmetic number, because the mean of its divisors is an integer number (129066968730).

Almost surely, 2^{2212131122220} is an apocalyptic number.

2212131122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212131122220 is an abundant number, since it is smaller than the sum of its proper divisors (3983083376820).

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

2212131122220 is a wasteful number, since it uses less digits than its factorization.

2212131122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424754 (or 7424752 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2212131122220 its reverse (222211312122), we get a palindrome (2434342434342).

The spelling of 2212131122220 in words is "two trillion, two hundred twelve billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred twenty".