213111212002 has 8 divisors (see below), whose sum is σ = 344256573276. Its totient is φ = 98359020912.

The previous prime is 213111211981. The next prime is 213111212011. The reversal of 213111212002 is 200212111312.

It can be written as a sum of positive squares in 2 ways, for example, as 213045941761 + 65270241 = 461569^2 + 8079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213111212002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4098292513 + ... + 4098292564.

Almost surely, 2^213111212002 is an apocalyptic number.

213111212002 is a deficient number, since it is larger than the sum of its proper divisors (131145361274).

213111212002 is a wasteful number, since it uses less digits than its factorization.

213111212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196585092.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 213111212002 its reverse (200212111312), we get a palindrome (413323323314).

The spelling of 213111212002 in words is "two hundred thirteen billion, one hundred eleven million, two hundred twelve thousand, two".