201000221102 has 4 divisors (see below), whose sum is σ = 301500331656. Its totient is φ = 100500110550.

The previous prime is 201000221101. The next prime is 201000221111. The reversal of 201000221102 is 201122000102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201122000102 = 2 ⋅100561000051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000221101) 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 as a sum of consecutive naturals, namely, 50250055274 + ... + 50250055277.

It is an arithmetic number, because the mean of its divisors is an integer number (75375082914).

Almost surely, 2^201000221102 is an apocalyptic number.

201000221102 is a deficient number, since it is larger than the sum of its proper divisors (100500110554).

201000221102 is a wasteful number, since it uses less digits than its factorization.

201000221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100500110553.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201000221102 its reverse (201122000102), we get a palindrome (402122221204).

The spelling of 201000221102 in words is "two hundred one billion, two hundred twenty-one thousand, one hundred two".