1112020311 has 8 divisors (see below), whose sum is σ = 1522766704. Its totient is φ = 721310400.

The previous prime is 1112020309. The next prime is 1112020367. The reversal of 1112020311 is 1130202111.

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

It is not a de Polignac number, because 1112020311 - 2¹ = 1112020309 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 (1112022311) 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, 5008990 + ... + 5009211.

It is an arithmetic number, because the mean of its divisors is an integer number (190345838).

Almost surely, 2^1112020311 is an apocalyptic number.

1112020311 is a deficient number, since it is larger than the sum of its proper divisors (410746393).

1112020311 is a wasteful number, since it uses less digits than its factorization.

1112020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10018241.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1112020311 is about 33346.9685428826. The cubic root of 1112020311 is about 1036.0266011739.

Adding to 1112020311 its reverse (1130202111), we get a palindrome (2242222422).

The spelling of 1112020311 in words is "one billion, one hundred twelve million, twenty thousand, three hundred eleven".