1211101000010 has 64 divisors (see below), whose sum is σ = 2408406048000. Its totient is φ = 434823936000.

The previous prime is 1211101000009. The next prime is 1211101000013. The reversal of 1211101000010 is 100001011121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1211101000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3836666 + ... + 4140314.

It is an arithmetic number, because the mean of its divisors is an integer number (37631344500).

Almost surely, 2^{1211101000010} is an apocalyptic number.

1211101000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211101000010 is a deficient number, since it is larger than the sum of its proper divisors (1197305047990).

1211101000010 is a wasteful number, since it uses less digits than its factorization.

1211101000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304127.

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

Adding to 1211101000010 its reverse (100001011121), we get a palindrome (1311102011131).

The spelling of 1211101000010 in words is "one trillion, two hundred eleven billion, one hundred one million, ten", and thus it is an aban number.