211213333042 has 8 divisors (see below), whose sum is σ = 316848328236. Its totient is φ = 105597223632.

The previous prime is 211213333021. The next prime is 211213333043. The reversal of 211213333042 is 240333312112.

It can be written as a sum of positive squares in 2 ways, for example, as 210157148041 + 1056185001 = 458429^2 + 32499^2 .

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

It is a super-2 number, since 2×211213333042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211213332998 and 211213333016.

It is not an unprimeable number, because it can be changed into a prime (211213333043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4693453 + ... + 4738240.

Almost surely, 2^211213333042 is an apocalyptic number.

211213333042 is a deficient number, since it is larger than the sum of its proper divisors (105634995194).

211213333042 is a wasteful number, since it uses less digits than its factorization.

211213333042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442892.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 211213333042 its reverse (240333312112), we get a palindrome (451546645154).

The spelling of 211213333042 in words is "two hundred eleven billion, two hundred thirteen million, three hundred thirty-three thousand, forty-two".