201102342220 has 48 divisors (see below), whose sum is σ = 454866239520. Its totient is φ = 74242469376.

The previous prime is 201102342193. The next prime is 201102342227. The reversal of 201102342220 is 22243201102.

It is not an unprimeable number, because it can be changed into a prime (201102342227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1880551 + ... + 1984609.

It is an arithmetic number, because the mean of its divisors is an integer number (9476379990).

Almost surely, 2^201102342220 is an apocalyptic number.

201102342220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102342220 is an abundant number, since it is smaller than the sum of its proper divisors (253763897300).

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

201102342220 is a wasteful number, since it uses less digits than its factorization.

201102342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111514 (or 111512 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 201102342220 its reverse (22243201102), we get a palindrome (223345543322).

The spelling of 201102342220 in words is "two hundred one billion, one hundred two million, three hundred forty-two thousand, two hundred twenty".