223121313102 has 16 divisors (see below), whose sum is σ = 446258051712. Its totient is φ = 74371200120.

The previous prime is 223121313067. The next prime is 223121313143. The reversal of 223121313102 is 201313121322.

223121313102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223121313102³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450258 + ... + 805589.

It is an arithmetic number, because the mean of its divisors is an integer number (27891128232).

Almost surely, 2^223121313102 is an apocalyptic number.

223121313102 is an abundant number, since it is smaller than the sum of its proper divisors (223136738610).

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

223121313102 is a wasteful number, since it uses less digits than its factorization.

223121313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285463.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 223121313102 its reverse (201313121322), we get a palindrome (424434434424).

The spelling of 223121313102 in words is "two hundred twenty-three billion, one hundred twenty-one million, three hundred thirteen thousand, one hundred two".