201100000011222 has 64 divisors (see below), whose sum is σ = 463157959207104. Its totient is φ = 57660499046400.

The previous prime is 201100000011221. The next prime is 201100000011247. The reversal of 201100000011222 is 222110000001102.

It is a junction number, because it is equal to n+sod(n) for n = 201100000011198 and 201100000011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100000011221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750653823 + ... + 750921674.

It is an arithmetic number, because the mean of its divisors is an integer number (7236843112611).

Almost surely, 2^{201100000011222} is an apocalyptic number.

201100000011222 is an abundant number, since it is smaller than the sum of its proper divisors (262057959195882).

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

201100000011222 is a wasteful number, since it uses less digits than its factorization.

201100000011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501575633.

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

Adding to 201100000011222 its reverse (222110000001102), we get a palindrome (423210000012324).

The spelling of 201100000011222 in words is "two hundred one trillion, one hundred billion, eleven thousand, two hundred twenty-two".