1011100001210 has 16 divisors (see below), whose sum is σ = 1959978464136. Its totient is φ = 373329231168.

The previous prime is 1011100001209. The next prime is 1011100001243. The reversal of 1011100001210 is 121000011101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 816024962281 + 195075038929 = 903341^2 + 441673^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3888846029 + ... + 3888846288.

Almost surely, 2^{1011100001210} is an apocalyptic number.

1011100001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011100001210 is a deficient number, since it is larger than the sum of its proper divisors (948878462926).

1011100001210 is a wasteful number, since it uses less digits than its factorization.

1011100001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7777692337.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1011100001210 its reverse (121000011101), we get a palindrome (1132100012311).

The spelling of 1011100001210 in words is "one trillion, eleven billion, one hundred million, one thousand, two hundred ten".