101201200221220 has 24 divisors (see below), whose sum is σ = 231842749598208. Its totient is φ = 36800436444000.

The previous prime is 101201200221193. The next prime is 101201200221227. The reversal of 101201200221220 is 22122002102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101201200221194 and 101201200221203.

It is not an unprimeable number, because it can be changed into a prime (101201200221227) 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, 230002727556 + ... + 230002727995.

It is an arithmetic number, because the mean of its divisors is an integer number (9660114566592).

Almost surely, 2^{101201200221220} is an apocalyptic number.

101201200221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101201200221220 is an abundant number, since it is smaller than the sum of its proper divisors (130641549376988).

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

101201200221220 is a wasteful number, since it uses less digits than its factorization.

101201200221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460005455571 (or 460005455569 counting only the distinct ones).

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

Adding to 101201200221220 its reverse (22122002102101), we get a palindrome (123323202323321).

The spelling of 101201200221220 in words is "one hundred one trillion, two hundred one billion, two hundred million, two hundred twenty-one thousand, two hundred twenty".