22012101201020 has 24 divisors (see below), whose sum is σ = 52829042882784. Its totient is φ = 7547006126016.

The previous prime is 22012101201007. The next prime is 22012101201023. The reversal of 22012101201020 is 2010210121022.

It is a super-2 number, since 2×22012101201020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22012101200986 and 22012101201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012101201023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78614647007 + ... + 78614647286.

It is an arithmetic number, because the mean of its divisors is an integer number (2201210120116).

Almost surely, 2^{22012101201020} is an apocalyptic number.

22012101201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012101201020 is an abundant number, since it is smaller than the sum of its proper divisors (30816941681764).

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

22012101201020 is a wasteful number, since it uses less digits than its factorization.

22012101201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157229294309 (or 157229294307 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012101201020 its reverse (2010210121022), we get a palindrome (24022311322042).

The spelling of 22012101201020 in words is "twenty-two trillion, twelve billion, one hundred one million, two hundred one thousand, twenty".