112212021111 has 8 divisors (see below), whose sum is σ = 149618477424. Its totient is φ = 74806789440.

The previous prime is 112212021109. The next prime is 112212021113. The reversal of 112212021111 is 111120212211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112212021109) and next prime (112212021113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112212021111 - 2¹ = 112212021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212021113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65286 + ... + 478211.

It is an arithmetic number, because the mean of its divisors is an integer number (18702309678).

Almost surely, 2^112212021111 is an apocalyptic number.

112212021111 is a deficient number, since it is larger than the sum of its proper divisors (37406456313).

112212021111 is an equidigital number, since it uses as much as digits as its factorization.

112212021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612321.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112212021111 its reverse (111120212211), we get a palindrome (223332233322).

The spelling of 112212021111 in words is "one hundred twelve billion, two hundred twelve million, twenty-one thousand, one hundred eleven".