11112212002111 has 64 divisors (see below), whose sum is σ = 13390693171200. Its totient is φ = 9109098000000.

The previous prime is 11112212002081. The next prime is 11112212002121. The reversal of 11112212002111 is 11120021221111.

It is a cyclic number.

It is not a de Polignac number, because 11112212002111 - 2⁷ = 11112212001983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112212002121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98755000 + ... + 98867458.

It is an arithmetic number, because the mean of its divisors is an integer number (209229580800).

Almost surely, 2^{11112212002111} is an apocalyptic number.

11112212002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112212002111 is a deficient number, since it is larger than the sum of its proper divisors (2278481169089).

11112212002111 is a wasteful number, since it uses less digits than its factorization.

11112212002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112772.

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

Adding to 11112212002111 its reverse (11120021221111), we get a palindrome (22232233223222).

The spelling of 11112212002111 in words is "eleven trillion, one hundred twelve billion, two hundred twelve million, two thousand, one hundred eleven".