11112212222210 has 32 divisors (see below), whose sum is σ = 21830593564800. Its totient is φ = 4038906376960.

The previous prime is 11112212222201. The next prime is 11112212222281. The reversal of 11112212222210 is 1222221221111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23490590 + ... + 23958969.

It is an arithmetic number, because the mean of its divisors is an integer number (682206048900).

Almost surely, 2^{11112212222210} is an apocalyptic number.

11112212222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112212222210 is a deficient number, since it is larger than the sum of its proper divisors (10718381342590).

11112212222210 is a wasteful number, since it uses less digits than its factorization.

11112212222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47451706.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11112212222210 its reverse (1222221221111), we get a palindrome (12334433443321).

The spelling of 11112212222210 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred ten".