22201010101020 has 192 divisors, whose sum is σ = 64958852689920. Its totient is φ = 5654727969792.

The previous prime is 22201010100953. The next prime is 22201010101069. The reversal of 22201010101020 is 2010101010222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22201010100987 and 22201010101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4914987802 + ... + 4914992318.

It is an arithmetic number, because the mean of its divisors is an integer number (338327357760).

Almost surely, 2^{22201010101020} is an apocalyptic number.

22201010101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22201010101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32479426344960).

22201010101020 is an abundant number, since it is smaller than the sum of its proper divisors (42757842588900).

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

22201010101020 is a wasteful number, since it uses less digits than its factorization.

22201010101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8884 (or 8882 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22201010101020 its reverse (2010101010222), we get a palindrome (24211111111242).

It can be divided in two parts, 2 and 2201010101020, that added together give a palindrome (2201010101022).

The spelling of 22201010101020 in words is "twenty-two trillion, two hundred one billion, ten million, one hundred one thousand, twenty".