1100101121 has 32 divisors (see below), whose sum is σ = 1364352000. Its totient is φ = 866013120.

The previous prime is 1100101117. The next prime is 1100101151. The reversal of 1100101121 is 1211010011.

It is a happy number.

It is not a de Polignac number, because 1100101121 - 2² = 1100101117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100101099 and 1100101108.

It is not an unprimeable number, because it can be changed into a prime (1100101111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851486 + ... + 852776.

It is an arithmetic number, because the mean of its divisors is an integer number (42636000).

Almost surely, 2^1100101121 is an apocalyptic number.

It is an amenable number.

1100101121 is a deficient number, since it is larger than the sum of its proper divisors (264250879).

1100101121 is a wasteful number, since it uses less digits than its factorization.

1100101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1100101121 is about 33167.7723249542. The cubic root of 1100101121 is about 1032.3117463652.

Adding to 1100101121 its reverse (1211010011), we get a palindrome (2311111132).

The spelling of 1100101121 in words is "one billion, one hundred million, one hundred one thousand, one hundred twenty-one".