201211101122 has 8 divisors (see below), whose sum is σ = 305452997136. Its totient is φ = 99393435412.

The previous prime is 201211101109. The next prime is 201211101127. The reversal of 201211101122 is 221101112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 201211101097 and 201211101106.

It is not an unprimeable number, because it can be changed into a prime (201211101127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 606057368 + ... + 606057699.

It is an arithmetic number, because the mean of its divisors is an integer number (38181624642).

Almost surely, 2^201211101122 is an apocalyptic number.

201211101122 is a deficient number, since it is larger than the sum of its proper divisors (104241896014).

201211101122 is a wasteful number, since it uses less digits than its factorization.

201211101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212115152.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201211101122 its reverse (221101112102), we get a palindrome (422312213224).

The spelling of 201211101122 in words is "two hundred one billion, two hundred eleven million, one hundred one thousand, one hundred twenty-two".