1101111210101 has 24 divisors (see below), whose sum is σ = 1357600179456. Its totient is φ = 887394372480.

The previous prime is 1101111210061. The next prime is 1101111210127. The reversal of 1101111210101 is 1010121111011.

It is a happy number.

It is not a de Polignac number, because 1101111210101 - 2⁶ = 1101111210037 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 (1101116210101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158570 + ... + 1492436.

It is an arithmetic number, because the mean of its divisors is an integer number (56566674144).

Almost surely, 2^{1101111210101} is an apocalyptic number.

It is an amenable number.

1101111210101 is a deficient number, since it is larger than the sum of its proper divisors (256488969355).

1101111210101 is a wasteful number, since it uses less digits than its factorization.

1101111210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334889 (or 1334882 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 1101111210101 its reverse (1010121111011), we get a palindrome (2111232321112).

The spelling of 1101111210101 in words is "one trillion, one hundred one billion, one hundred eleven million, two hundred ten thousand, one hundred one".