1113421011 has 16 divisors (see below), whose sum is σ = 1492224000. Its totient is φ = 738460800.

The previous prime is 1113421009. The next prime is 1113421021. The reversal of 1113421011 is 1101243111.

It is not a de Polignac number, because 1113421011 - 2¹ = 1113421009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113421021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555990 + ... + 557988.

It is an arithmetic number, because the mean of its divisors is an integer number (93264000).

Almost surely, 2^1113421011 is an apocalyptic number.

1113421011 is a deficient number, since it is larger than the sum of its proper divisors (378802989).

1113421011 is a wasteful number, since it uses less digits than its factorization.

1113421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1113421011 is about 33367.9638425841. The cubic root of 1113421011 is about 1036.4614114550.

Adding to 1113421011 its reverse (1101243111), we get a palindrome (2214664122).

The spelling of 1113421011 in words is "one billion, one hundred thirteen million, four hundred twenty-one thousand, eleven".