1112020011 has 12 divisors (see below), whose sum is σ = 1690790920. Its totient is φ = 702328320.

The previous prime is 1112019991. The next prime is 1112020043. The reversal of 1112020011 is 1100202111.

It is a happy number.

It is not a de Polignac number, because 1112020011 - 2²¹ = 1109922859 is a prime.

It is a super-3 number, since 3×1112020011³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112019975 and 1112020002.

It is not an unprimeable number, because it can be changed into a prime (1112021011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3251350 + ... + 3251691.

Almost surely, 2^1112020011 is an apocalyptic number.

1112020011 is a deficient number, since it is larger than the sum of its proper divisors (578770909).

1112020011 is a wasteful number, since it uses less digits than its factorization.

1112020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503066 (or 6503063 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1112020011 is about 33346.9640447223. The cubic root of 1112020011 is about 1036.0265080078.

Adding to 1112020011 its reverse (1100202111), we get a palindrome (2212222122).

The spelling of 1112020011 in words is "one billion, one hundred twelve million, twenty thousand, eleven".