223030121202 has 144 divisors (see below), whose sum is σ = 565475713920. Its totient is φ = 62226223488.

The previous prime is 223030121177. The next prime is 223030121203. The reversal of 223030121202 is 202121030322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (223030121203) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 77251803 + ... + 77254689.

It is an arithmetic number, because the mean of its divisors is an integer number (3926914680).

Almost surely, 2^223030121202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223030121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282737856960).

223030121202 is an abundant number, since it is smaller than the sum of its proper divisors (342445592718).

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

223030121202 is a wasteful number, since it uses less digits than its factorization.

223030121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 223030121202 its reverse (202121030322), we get a palindrome (425151151524).

The spelling of 223030121202 in words is "two hundred twenty-three billion, thirty million, one hundred twenty-one thousand, two hundred two".