1101120101 has 16 divisors (see below), whose sum is σ = 1173481344. Its totient is φ = 1031019264.

The previous prime is 1101120047. The next prime is 1101120131. The reversal of 1101120101 is 1010211011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101120101 - 2¹⁰ = 1101119077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101120131) 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, 227630 + ... + 232416.

It is an arithmetic number, because the mean of its divisors is an integer number (73342584).

Almost surely, 2^1101120101 is an apocalyptic number.

It is an amenable number.

1101120101 is a deficient number, since it is larger than the sum of its proper divisors (72361243).

1101120101 is a wasteful number, since it uses less digits than its factorization.

1101120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020.

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

The square root of 1101120101 is about 33183.1297649875. The cubic root of 1101120101 is about 1032.6303778046.

Adding to 1101120101 its reverse (1010211011), we get a palindrome (2111331112).

It can be divided in two parts, 110 and 1120101, that added together give a palindrome (1120211).

The spelling of 1101120101 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred one".