201100011222 has 16 divisors (see below), whose sum is σ = 438763660992. Its totient is φ = 60939397320.

The previous prime is 201100011209. The next prime is 201100011271. The reversal of 201100011222 is 222110001102.

It is a junction number, because it is equal to n+sod(n) for n = 201100011198 and 201100011207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523484868 + ... + 1523484999.

It is an arithmetic number, because the mean of its divisors is an integer number (27422728812).

Almost surely, 2^201100011222 is an apocalyptic number.

201100011222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201100011222 is an abundant number, since it is smaller than the sum of its proper divisors (237663649770).

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

201100011222 is a wasteful number, since it uses less digits than its factorization.

201100011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046969883.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201100011222 its reverse (222110001102), we get a palindrome (423210012324).

The spelling of 201100011222 in words is "two hundred one billion, one hundred million, eleven thousand, two hundred twenty-two".