201223102 has 4 divisors (see below), whose sum is σ = 301834656. Its totient is φ = 100611550.

The previous prime is 201223097. The next prime is 201223109. The reversal of 201223102 is 201322102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201322102 = 2 ⋅100661051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305774 + ... + 50305777.

It is an arithmetic number, because the mean of its divisors is an integer number (75458664).

Almost surely, 2^201223102 is an apocalyptic number.

201223102 is a deficient number, since it is larger than the sum of its proper divisors (100611554).

201223102 is a wasteful number, since it uses less digits than its factorization.

201223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100611553.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201223102 is about 14185.3128975007. The cubic root of 201223102 is about 585.9932496980.

Adding to 201223102 its reverse (201322102), we get a palindrome (402545204).

The spelling of 201223102 in words is "two hundred one million, two hundred twenty-three thousand, one hundred two".