11212202122 has 16 divisors (see below), whose sum is σ = 18362559744. Its totient is φ = 5092200000.

The previous prime is 11212202107. The next prime is 11212202123. The reversal of 11212202122 is 22120221211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11212202096 and 11212202105.

It is not an unprimeable number, because it can be changed into a prime (11212202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185754 + ... + 238597.

It is an arithmetic number, because the mean of its divisors is an integer number (1147659984).

Almost surely, 2^11212202122 is an apocalyptic number.

11212202122 is a deficient number, since it is larger than the sum of its proper divisors (7150357622).

11212202122 is a wasteful number, since it uses less digits than its factorization.

11212202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425565.

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

Adding to 11212202122 its reverse (22120221211), we get a palindrome (33332423333).

The spelling of 11212202122 in words is "eleven billion, two hundred twelve million, two hundred two thousand, one hundred twenty-two".