1101211116 has 12 divisors (see below), whose sum is σ = 2569492632. Its totient is φ = 367070368.

The previous prime is 1101211079. The next prime is 1101211117. The reversal of 1101211116 is 6111121011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1101211095 and 1101211104.

It is not an unprimeable number, because it can be changed into a prime (1101211117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45883785 + ... + 45883808.

It is an arithmetic number, because the mean of its divisors is an integer number (214124386).

Almost surely, 2^1101211116 is an apocalyptic number.

It is an amenable number.

1101211116 is an abundant number, since it is smaller than the sum of its proper divisors (1468281516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101211116 is a wasteful number, since it uses less digits than its factorization.

1101211116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91767600 (or 91767598 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

The square root of 1101211116 is about 33184.5011413461. The cubic root of 1101211116 is about 1032.6588283083.

Adding to 1101211116 its reverse (6111121011), we get a palindrome (7212332127).

The spelling of 1101211116 in words is "one billion, one hundred one million, two hundred eleven thousand, one hundred sixteen".