1101010001105 has 32 divisors (see below), whose sum is σ = 1589508576000. Its totient is φ = 715206316032.

The previous prime is 1101010001101. The next prime is 1101010001177. The reversal of 1101010001105 is 5011000101011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101010001105 - 2² = 1101010001101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101010001101) 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, 21020429 + ... + 21072741.

It is an arithmetic number, because the mean of its divisors is an integer number (49672143000).

Almost surely, 2^{1101010001105} is an apocalyptic number.

It is an amenable number.

1101010001105 is a deficient number, since it is larger than the sum of its proper divisors (488498574895).

1101010001105 is a wasteful number, since it uses less digits than its factorization.

1101010001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83993.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 1101010001105 its reverse (5011000101011), we get a palindrome (6112010102116).

The spelling of 1101010001105 in words is "one trillion, one hundred one billion, ten million, one thousand, one hundred five".