201122221112102 has 4 divisors (see below), whose sum is σ = 301683331668156. Its totient is φ = 100561110556050.

The previous prime is 201122221112093. The next prime is 201122221112149. The reversal of 201122221112102 is 201211122221102.

201122221112102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280555278024 + ... + 50280555278027.

It is an arithmetic number, because the mean of its divisors is an integer number (75420832917039).

Almost surely, 2^{201122221112102} is an apocalyptic number.

201122221112102 is a deficient number, since it is larger than the sum of its proper divisors (100561110556054).

201122221112102 is a wasteful number, since it uses less digits than its factorization.

201122221112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100561110556053.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 201122221112102 its reverse (201211122221102), we get a palindrome (402333343333204).

The spelling of 201122221112102 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twelve thousand, one hundred two".