201000101100220 has 48 divisors (see below), whose sum is σ = 437353593959520. Its totient is φ = 77546057528576.

The previous prime is 201000101100199. The next prime is 201000101100223. The reversal of 201000101100220 is 22001101000102.

201000101100220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201000101100220² (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 = 201000101100197 and 201000101100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000101100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606909807 + ... + 1607034886.

It is an arithmetic number, because the mean of its divisors is an integer number (9111533207490).

Almost surely, 2^{201000101100220} is an apocalyptic number.

201000101100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000101100220 is an abundant number, since it is smaller than the sum of its proper divisors (236353492859300).

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

201000101100220 is a wasteful number, since it uses less digits than its factorization.

201000101100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213944814 (or 3213944812 counting only the distinct ones).

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

Adding to 201000101100220 its reverse (22001101000102), we get a palindrome (223001202100322).

The spelling of 201000101100220 in words is "two hundred one trillion, one hundred one million, one hundred thousand, two hundred twenty".