1133211101 has 12 divisors (see below), whose sum is σ = 1259603100. Its totient is φ = 1018607040.

The previous prime is 1133211029. The next prime is 1133211113. The reversal of 1133211101 is 1011123311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 716847076 + 416364025 = 26774^2 + 20405^2 .

It is not a de Polignac number, because 1133211101 - 2²⁶ = 1066102237 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 (1133211181) 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, 41846 + ... + 63383.

It is an arithmetic number, because the mean of its divisors is an integer number (104966925).

Almost surely, 2^1133211101 is an apocalyptic number.

1133211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1133211101 is a deficient number, since it is larger than the sum of its proper divisors (126391999).

1133211101 is a wasteful number, since it uses less digits than its factorization.

1133211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105340 (or 105329 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1133211101 is about 33663.2009915872. The cubic root of 1133211101 is about 1042.5661177963.

Adding to 1133211101 its reverse (1011123311), we get a palindrome (2144334412).

The spelling of 1133211101 in words is "one billion, one hundred thirty-three million, two hundred eleven thousand, one hundred one".