10001121211210 has 32 divisors (see below), whose sum is σ = 18951517045440. Its totient is φ = 3789493719552.

The previous prime is 10001121211187. The next prime is 10001121211247. The reversal of 10001121211210 is 1211212110001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025104 + ... + 4588363.

It is an arithmetic number, because the mean of its divisors is an integer number (592234907670).

Almost surely, 2^{10001121211210} is an apocalyptic number.

10001121211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001121211210 is a deficient number, since it is larger than the sum of its proper divisors (8950395834230).

10001121211210 is a wasteful number, since it uses less digits than its factorization.

10001121211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622870.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10001121211210 its reverse (1211212110001), we get a palindrome (11212333321211).

The spelling of 10001121211210 in words is "ten trillion, one billion, one hundred twenty-one million, two hundred eleven thousand, two hundred ten".