10001211210001 has 64 divisors (see below), whose sum is σ = 11417656320000. Its totient is φ = 8677398078720.

The previous prime is 10001211209999. The next prime is 10001211210019.

10001211210001 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 10001211210001 - 2¹ = 10001211209999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10001211210001.

It is not an unprimeable number, because it can be changed into a prime (10001211210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7148827900 + ... + 7148829298.

It is an arithmetic number, because the mean of its divisors is an integer number (178400880000).

Almost surely, 2^{10001211210001} is an apocalyptic number.

10001211210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001211210001 is a deficient number, since it is larger than the sum of its proper divisors (1416445109999).

10001211210001 is a wasteful number, since it uses less digits than its factorization.

10001211210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302.

The product of its (nonzero) digits is 4, while the sum is 10.

It can be divided in two parts, 1000121 and 1210001, that multiplied together give a palindrome (1210147410121).

The spelling of 10001211210001 in words is "ten trillion, one billion, two hundred eleven million, two hundred ten thousand, one".