1011103101 has 64 divisors (see below), whose sum is σ = 1637625600. Its totient is φ = 614135808.

The previous prime is 1011103087. The next prime is 1011103109. The reversal of 1011103101 is 1013011101.

It is not a de Polignac number, because 1011103101 - 2⁷ = 1011102973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011103109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2164870 + ... + 2165336.

It is an arithmetic number, because the mean of its divisors is an integer number (25587900).

Almost surely, 2^1011103101 is an apocalyptic number.

It is an amenable number.

1011103101 is a deficient number, since it is larger than the sum of its proper divisors (626522499).

1011103101 is a wasteful number, since it uses less digits than its factorization.

1011103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 1011103101 is about 31797.8474271451. The cubic root of 1011103101 is about 1003.6874198885.

Adding to 1011103101 its reverse (1013011101), we get a palindrome (2024114202).

The spelling of 1011103101 in words is "one billion, eleven million, one hundred three thousand, one hundred one".