202101001200220 has 24 divisors (see below), whose sum is σ = 432419878041984. Its totient is φ = 79315109904576.

The previous prime is 202101001200191. The next prime is 202101001200269. The reversal of 202101001200220 is 22002100101202.

It is a happy number.

It is a super-3 number, since 3×202101001200220³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 202101001200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95330659884 + ... + 95330662003.

It is an arithmetic number, because the mean of its divisors is an integer number (18017494918416).

Almost surely, 2^{202101001200220} is an apocalyptic number.

202101001200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101001200220 is an abundant number, since it is smaller than the sum of its proper divisors (230318876841764).

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

202101001200220 is a wasteful number, since it uses less digits than its factorization.

202101001200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190661321949 (or 190661321947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202101001200220 its reverse (22002100101202), we get a palindrome (224103101301422).

The spelling of 202101001200220 in words is "two hundred two trillion, one hundred one billion, one million, two hundred thousand, two hundred twenty".