213223111002 has 48 divisors (see below), whose sum is σ = 504253582560. Its totient is φ = 64578232800.

The previous prime is 213223110979. The next prime is 213223111021. The reversal of 213223111002 is 200111322312.

213223111002 is a `hidden beast` number, since 21 + 322 + 311 + 10 + 0 + 2 = 666.

213223111002 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-4 number, since 4×213223111002⁴ (a number of 46 digits) contains 4444 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 79149 + ... + 657807.

It is an arithmetic number, because the mean of its divisors is an integer number (10505282970).

Almost surely, 2^213223111002 is an apocalyptic number.

213223111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213223111002 is an abundant number, since it is smaller than the sum of its proper divisors (291030471558).

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

213223111002 is a wasteful number, since it uses less digits than its factorization.

213223111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580539 (or 580536 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213223111002 its reverse (200111322312), we get a palindrome (413334433314).

The spelling of 213223111002 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred eleven thousand, two".