202123111330 has 32 divisors (see below), whose sum is σ = 423641332224. Its totient is φ = 67991816256.

The previous prime is 202123111321. The next prime is 202123111343. The reversal of 202123111330 is 33111321202.

It is a junction number, because it is equal to n+sod(n) for n = 202123111298 and 202123111307.

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 15 ways as a sum of consecutive naturals, for example, 27236602 + ... + 27244021.

It is an arithmetic number, because the mean of its divisors is an integer number (13238791632).

Almost surely, 2^202123111330 is an apocalyptic number.

202123111330 is an abundant number, since it is smaller than the sum of its proper divisors (221518220894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202123111330 is a wasteful number, since it uses less digits than its factorization.

202123111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54480690.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 202123111330 its reverse (33111321202), we get a palindrome (235234432532).

The spelling of 202123111330 in words is "two hundred two billion, one hundred twenty-three million, one hundred eleven thousand, three hundred thirty".