1001001011210 has 16 divisors (see below), whose sum is σ = 1845748206792. Its totient is φ = 390634540800.

The previous prime is 1001001011137. The next prime is 1001001011239. The reversal of 1001001011210 is 121101001001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 303223131649 + 697777879561 = 550657^2 + 835331^2 .

It is a Curzon number.

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, 1220732531 + ... + 1220733350.

Almost surely, 2^{1001001011210} is an apocalyptic number.

1001001011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001001011210 is a deficient number, since it is larger than the sum of its proper divisors (844747195582).

1001001011210 is a wasteful number, since it uses less digits than its factorization.

1001001011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441465929.

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

Adding to 1001001011210 its reverse (121101001001), we get a palindrome (1122102012211).

The spelling of 1001001011210 in words is "one trillion, one billion, one million, eleven thousand, two hundred ten".