2201012122020 has 24 divisors (see below), whose sum is σ = 6162833941824. Its totient is φ = 586936565856.

The previous prime is 2201012122007. The next prime is 2201012122079. The reversal of 2201012122020 is 202212101022.

It is a super-2 number, since 2×2201012122020² (a number of 25 digits) contains 22 as substring.

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

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 7 ways as a sum of consecutive naturals, for example, 18341767624 + ... + 18341767743.

It is an arithmetic number, because the mean of its divisors is an integer number (256784747576).

Almost surely, 2^{2201012122020} is an apocalyptic number.

2201012122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201012122020 is an abundant number, since it is smaller than the sum of its proper divisors (3961821819804).

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

2201012122020 is a wasteful number, since it uses less digits than its factorization.

2201012122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36683535379 (or 36683535377 counting only the distinct ones).

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

Adding to 2201012122020 its reverse (202212101022), we get a palindrome (2403224223042).

The spelling of 2201012122020 in words is "two trillion, two hundred one billion, twelve million, one hundred twenty-two thousand, twenty".