2212021201020 has 24 divisors (see below), whose sum is σ = 6193659363024. Its totient is φ = 589872320256.

The previous prime is 2212021201001. The next prime is 2212021201079. The reversal of 2212021201020 is 201021202122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 18433509949 + ... + 18433510068.

It is an arithmetic number, because the mean of its divisors is an integer number (258069140126).

Almost surely, 2^{2212021201020} is an apocalyptic number.

2212021201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212021201020 is an abundant number, since it is smaller than the sum of its proper divisors (3981638162004).

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

2212021201020 is a wasteful number, since it uses less digits than its factorization.

2212021201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36867020029 (or 36867020027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2212021201020 its reverse (201021202122), we get a palindrome (2413042403142).

The spelling of 2212021201020 in words is "two trillion, two hundred twelve billion, twenty-one million, two hundred one thousand, twenty".