201101222002220 has 48 divisors (see below), whose sum is σ = 437328317975808. Its totient is φ = 77596926151680.

The previous prime is 201101222002171. The next prime is 201101222002253. The reversal of 201101222002220 is 22200222101102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517947809 + ... + 518335928.

It is an arithmetic number, because the mean of its divisors is an integer number (9111006624496).

Almost surely, 2^{201101222002220} is an apocalyptic number.

201101222002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201101222002220 is an abundant number, since it is smaller than the sum of its proper divisors (236227095973588).

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

201101222002220 is a wasteful number, since it uses less digits than its factorization.

201101222002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036284090 (or 1036284088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201101222002220 its reverse (22200222101102), we get a palindrome (223301444103322).

The spelling of 201101222002220 in words is "two hundred one trillion, one hundred one billion, two hundred twenty-two million, two thousand, two hundred twenty".