202101223030 has 16 divisors (see below), whose sum is σ = 415751087520. Its totient is φ = 69291847872.

The previous prime is 202101222971. The next prime is 202101223061. The reversal of 202101223030 is 30322101202.

It is a junction number, because it is equal to n+sod(n) for n = 202101222995 and 202101223013.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1443580095 + ... + 1443580234.

It is an arithmetic number, because the mean of its divisors is an integer number (25984442970).

Almost surely, 2^202101223030 is an apocalyptic number.

202101223030 is an abundant number, since it is smaller than the sum of its proper divisors (213649864490).

202101223030 is a wasteful number, since it uses less digits than its factorization.

202101223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887160343.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202101223030 its reverse (30322101202), we get a palindrome (232423324232).

The spelling of 202101223030 in words is "two hundred two billion, one hundred one million, two hundred twenty-three thousand, thirty".