201211021100122 has 32 divisors (see below), whose sum is σ = 340609410288000. Its totient is φ = 88305411163200.

The previous prime is 201211021100099. The next prime is 201211021100149. The reversal of 201211021100122 is 221001120112102.

It is a junction number, because it is equal to n+sod(n) for n = 201211021100096 and 201211021100105.

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, 203047504 + ... + 204036052.

It is an arithmetic number, because the mean of its divisors is an integer number (10644044071500).

Almost surely, 2^{201211021100122} is an apocalyptic number.

201211021100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201211021100122 is a deficient number, since it is larger than the sum of its proper divisors (139398389187878).

201211021100122 is a wasteful number, since it uses less digits than its factorization.

201211021100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307622.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201211021100122 its reverse (221001120112102), we get a palindrome (422212141212224).

The spelling of 201211021100122 in words is "two hundred one trillion, two hundred eleven billion, twenty-one million, one hundred thousand, one hundred twenty-two".