1111321101 has 16 divisors (see below), whose sum is σ = 1617573888. Its totient is φ = 673066800.

The previous prime is 1111321097. The next prime is 1111321103. The reversal of 1111321101 is 1011231111.

It is not a de Polignac number, because 1111321101 - 2² = 1111321097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111321103) 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, 40966 + ... + 62456.

It is an arithmetic number, because the mean of its divisors is an integer number (101098368).

Almost surely, 2^1111321101 is an apocalyptic number.

1111321101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111321101 is a deficient number, since it is larger than the sum of its proper divisors (506252787).

1111321101 is a wasteful number, since it uses less digits than its factorization.

1111321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23072.

The product of its (nonzero) digits is 6, while the sum is 12.

The square root of 1111321101 is about 33336.4830328576. The cubic root of 1111321101 is about 1035.8094132821.

Adding to 1111321101 its reverse (1011231111), we get a palindrome (2122552212).

The spelling of 1111321101 in words is "one billion, one hundred eleven million, three hundred twenty-one thousand, one hundred one".