201101220200220 has 96 divisors (see below), whose sum is σ = 593718914638080. Its totient is φ = 50718844892160.

The previous prime is 201101220200143. The next prime is 201101220200269. The reversal of 201101220200220 is 22002022101102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201101220200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148063086 + ... + 149415125.

It is an arithmetic number, because the mean of its divisors is an integer number (6184572027480).

Almost surely, 2^{201101220200220} is an apocalyptic number.

201101220200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101220200220 is an abundant number, since it is smaller than the sum of its proper divisors (392617694437860).

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

201101220200220 is a wasteful number, since it uses less digits than its factorization.

201101220200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297478835 (or 297478833 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201101220200220 its reverse (22002022101102), we get a palindrome (223103242301322).

The spelling of 201101220200220 in words is "two hundred one trillion, one hundred one billion, two hundred twenty million, two hundred thousand, two hundred twenty".