10001022111211 has 16 divisors (see below), whose sum is σ = 10227260145600. Its totient is φ = 9776963911680.

The previous prime is 10001022111169. The next prime is 10001022111239. The reversal of 10001022111211 is 11211122010001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001022111211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001022111191 and 10001022111200.

It is not an unprimeable number, because it can be changed into a prime (10001022111271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328570 + ... + 7749376.

It is an arithmetic number, because the mean of its divisors is an integer number (639203759100).

Almost surely, 2^{10001022111211} is an apocalyptic number.

10001022111211 is a deficient number, since it is larger than the sum of its proper divisors (226238034389).

10001022111211 is a wasteful number, since it uses less digits than its factorization.

10001022111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421574.

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

Adding to 10001022111211 its reverse (11211122010001), we get a palindrome (21212144121212).

The spelling of 10001022111211 in words is "ten trillion, one billion, twenty-two million, one hundred eleven thousand, two hundred eleven".