1100100012210 has 48 divisors (see below), whose sum is σ = 2860553216664. Its totient is φ = 293329933056.

The previous prime is 1100100012197. The next prime is 1100100012211. The reversal of 1100100012210 is 122100010011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 905319899289 + 194780112921 = 951483^2 + 441339^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1100100012192 and 1100100012201.

It is not an unprimeable number, because it can be changed into a prime (1100100012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263424 + ... + 1506516.

Almost surely, 2^{1100100012210} is an apocalyptic number.

1100100012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100100012210 is an abundant number, since it is smaller than the sum of its proper divisors (1760453204454).

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

1100100012210 is a wasteful number, since it uses less digits than its factorization.

1100100012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252939 (or 1252936 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100100012210 its reverse (122100010011), we get a palindrome (1222200022221).

The spelling of 1100100012210 in words is "one trillion, one hundred billion, one hundred million, twelve thousand, two hundred ten".