1112020222111 has 4 divisors (see below), whose sum is σ = 1112335334800. Its totient is φ = 1111705109424.

The previous prime is 1112020222099. The next prime is 1112020222121. The reversal of 1112020222111 is 1112220202111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112020222111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020222121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157551051 + ... + 157558108.

It is an arithmetic number, because the mean of its divisors is an integer number (278083833700).

Almost surely, 2^{1112020222111} is an apocalyptic number.

1112020222111 is a deficient number, since it is larger than the sum of its proper divisors (315112689).

1112020222111 is an equidigital number, since it uses as much as digits as its factorization.

1112020222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315112688.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112020222111 its reverse (1112220202111), we get a palindrome (2224240424222).

The spelling of 1112020222111 in words is "one trillion, one hundred twelve billion, twenty million, two hundred twenty-two thousand, one hundred eleven".