2212022100020 has 24 divisors (see below), whose sum is σ = 4918496199624. Its totient is φ = 832761261056.

The previous prime is 2212022099981. The next prime is 2212022100061. The reversal of 2212022100020 is 200012202122.

It can be written as a sum of positive squares in 4 ways, for example, as 143821460644 + 2068200639376 = 379238^2 + 1438124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2212022099968 and 2212022100004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252973337 + ... + 3252974016.

It is an arithmetic number, because the mean of its divisors is an integer number (204937341651).

Almost surely, 2^{2212022100020} is an apocalyptic number.

2212022100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212022100020 is an abundant number, since it is smaller than the sum of its proper divisors (2706474099604).

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

2212022100020 is a wasteful number, since it uses less digits than its factorization.

2212022100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505947379 (or 6505947377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2212022100020 its reverse (200012202122), we get a palindrome (2412034302142).

The spelling of 2212022100020 in words is "two trillion, two hundred twelve billion, twenty-two million, one hundred thousand, twenty".