10012001211 has 24 divisors (see below), whose sum is σ = 15028540800. Its totient is φ = 6415977600.

The previous prime is 10012001203. The next prime is 10012001213. The reversal of 10012001211 is 11210021001.

It is a happy number.

It is not a de Polignac number, because 10012001211 - 2³ = 10012001203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10012001193 and 10012001202.

It is not an unprimeable number, because it can be changed into a prime (10012001213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78850 + ... + 161991.

It is an arithmetic number, because the mean of its divisors is an integer number (626189200).

Almost surely, 2^10012001211 is an apocalyptic number.

10012001211 is a deficient number, since it is larger than the sum of its proper divisors (5016539589).

10012001211 is a wasteful number, since it uses less digits than its factorization.

10012001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241027 (or 241024 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10012001211 its reverse (11210021001), we get a palindrome (21222022212).

The spelling of 10012001211 in words is "ten billion, twelve million, one thousand, two hundred eleven".