201000111000220 has 96 divisors (see below), whose sum is σ = 489572250854400. Its totient is φ = 67894380194304.

The previous prime is 201000111000187. The next prime is 201000111000223. The reversal of 201000111000220 is 22000111000102.

It is a super-2 number, since 2×201000111000220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 201000111000197 and 201000111000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000111000223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19920025 + ... + 28263184.

It is an arithmetic number, because the mean of its divisors is an integer number (5099710946400).

Almost surely, 2^{201000111000220} is an apocalyptic number.

201000111000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000111000220 is an abundant number, since it is smaller than the sum of its proper divisors (288572139854180).

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

201000111000220 is a wasteful number, since it uses less digits than its factorization.

201000111000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48183667 (or 48183665 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201000111000220 its reverse (22000111000102), we get a palindrome (223000222000322).

The spelling of 201000111000220 in words is "two hundred one trillion, one hundred eleven million, two hundred twenty", and thus it is an aban number.