201022101220120 has 16 divisors (see below), whose sum is σ = 452299727745360. Its totient is φ = 80408840488032.

The previous prime is 201022101220097. The next prime is 201022101220121. The reversal of 201022101220120 is 21022101220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201022101220094 and 201022101220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022101220121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512776265212 + ... + 2512776265291.

It is an arithmetic number, because the mean of its divisors is an integer number (28268732984085).

Almost surely, 2^{201022101220120} is an apocalyptic number.

201022101220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022101220120 is an abundant number, since it is smaller than the sum of its proper divisors (251277626525240).

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

201022101220120 is a wasteful number, since it uses less digits than its factorization.

201022101220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025552530514 (or 5025552530510 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201022101220120 its reverse (21022101220102), we get a palindrome (222044202440222).

The spelling of 201022101220120 in words is "two hundred one trillion, twenty-two billion, one hundred one million, two hundred twenty thousand, one hundred twenty".