11212210042 has 32 divisors (see below), whose sum is σ = 19629547200. Its totient is φ = 4749062400.

The previous prime is 11212210033. The next prime is 11212210043. The reversal of 11212210042 is 24001221211.

It is a junction number, because it is equal to n+sod(n) for n = 11212209998 and 11212210025.

It is not an unprimeable number, because it can be changed into a prime (11212210043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194367 + ... + 245362.

It is an arithmetic number, because the mean of its divisors is an integer number (613423350).

Almost surely, 2^11212210042 is an apocalyptic number.

11212210042 is a deficient number, since it is larger than the sum of its proper divisors (8417337158).

11212210042 is a wasteful number, since it uses less digits than its factorization.

11212210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439822.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11212210042 its reverse (24001221211), we get a palindrome (35213431253).

The spelling of 11212210042 in words is "eleven billion, two hundred twelve million, two hundred ten thousand, forty-two".