1105010100 has 90 divisors (see below), whose sum is σ = 3582032454. Its totient is φ = 294667200.

The previous prime is 1105010099. The next prime is 1105010111. The reversal of 1105010100 is 10105011.

It can be written as a sum of positive squares in 3 ways, for example, as 910116 + 1104099984 = 954^2 + 33228^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a super-2 number, since 2×1105010100² = 2442094642204020000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60111 + ... + 76310.

Almost surely, 2^1105010100 is an apocalyptic number.

1105010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105010100 is an abundant number, since it is smaller than the sum of its proper divisors (2477022354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105010100 is a wasteful number, since it uses less digits than its factorization.

1105010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136447 (or 136431 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 1105010100 is about 33241.6921951937. The cubic root of 1105010100 is about 1033.8449622699.

Adding to 1105010100 its reverse (10105011), we get a palindrome (1115115111).

The spelling of 1105010100 in words is "one billion, one hundred five million, ten thousand, one hundred".