213011002442 has 16 divisors (see below), whose sum is σ = 365178350400. Its totient is φ = 91286271648.

The previous prime is 213011002441. The next prime is 213011002469. The reversal of 213011002442 is 244200110312.

It is a super-2 number, since 2×213011002442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213011002441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17363 + ... + 652934.

It is an arithmetic number, because the mean of its divisors is an integer number (22823646900).

Almost surely, 2^213011002442 is an apocalyptic number.

213011002442 is a deficient number, since it is larger than the sum of its proper divisors (152167347958).

213011002442 is a wasteful number, since it uses less digits than its factorization.

213011002442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693005.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213011002442 its reverse (244200110312), we get a palindrome (457211112754).

The spelling of 213011002442 in words is "two hundred thirteen billion, eleven million, two thousand, four hundred forty-two".