11100101001210 has 96 divisors (see below), whose sum is σ = 32152016791440. Its totient is φ = 2638114182144.

The previous prime is 11100101001167. The next prime is 11100101001229. The reversal of 11100101001210 is 1210010100111.

It can be written as a sum of positive squares in 8 ways, for example, as 3734560115001 + 7365540886209 = 1932501^2 + 2713953^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11100101001192 and 11100101001201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163539619 + ... + 163607478.

Almost surely, 2^{11100101001210} is an apocalyptic number.

11100101001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100101001210 is an abundant number, since it is smaller than the sum of its proper divisors (21051915790230).

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

11100101001210 is a wasteful number, since it uses less digits than its factorization.

11100101001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327147152 (or 327147149 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11100101001210 its reverse (1210010100111), we get a palindrome (12310111101321).

The spelling of 11100101001210 in words is "eleven trillion, one hundred billion, one hundred one million, one thousand, two hundred ten".