10001001211 has 8 divisors (see below), whose sum is σ = 10089469040. Its totient is φ = 9912769632.

The previous prime is 10001001203. The next prime is 10001001217. The reversal of 10001001211 is 11210010001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001001211 - 2³ = 10001001203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001001194 and 10001001203.

It is not an unprimeable number, because it can be changed into a prime (10001001217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26521 + ... + 143893.

It is an arithmetic number, because the mean of its divisors is an integer number (1261183630).

Almost surely, 2^10001001211 is an apocalyptic number.

10001001211 is a deficient number, since it is larger than the sum of its proper divisors (88467829).

10001001211 is a wasteful number, since it uses less digits than its factorization.

10001001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118125.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001001211 its reverse (11210010001), we get a palindrome (21211011212).

The spelling of 10001001211 in words is "ten billion, one million, one thousand, two hundred eleven".