11110212212 has 12 divisors (see below), whose sum is σ = 21210405216. Its totient is φ = 5050096440.

The previous prime is 11110212199. The next prime is 11110212227. The reversal of 11110212212 is 21221201111.

It is a congruent number.

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, 126252368 + ... + 126252455.

It is an arithmetic number, because the mean of its divisors is an integer number (1767533768).

Almost surely, 2^11110212212 is an apocalyptic number.

It is an amenable number.

11110212212 is a deficient number, since it is larger than the sum of its proper divisors (10100193004).

11110212212 is a wasteful number, since it uses less digits than its factorization.

11110212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252504838 (or 252504836 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11110212212 its reverse (21221201111), we get a palindrome (32331413323).

It can be divided in two parts, 11110 and 212212, that added together give a palindrome (223322).

The spelling of 11110212212 in words is "eleven billion, one hundred ten million, two hundred twelve thousand, two hundred twelve".