10010221121211 has 4 divisors (see below), whose sum is σ = 13346961494952. Its totient is φ = 6673480747472.

The previous prime is 10010221121209. The next prime is 10010221121239. The reversal of 10010221121211 is 11212112201001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10010221121211 - 2¹ = 10010221121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10010221129211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668370186866 + ... + 1668370186871.

It is an arithmetic number, because the mean of its divisors is an integer number (3336740373738).

Almost surely, 2^{10010221121211} is an apocalyptic number.

10010221121211 is a deficient number, since it is larger than the sum of its proper divisors (3336740373741).

10010221121211 is an equidigital number, since it uses as much as digits as its factorization.

10010221121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336740373740.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10010221121211 its reverse (11212112201001), we get a palindrome (21222333322212).

The spelling of 10010221121211 in words is "ten trillion, ten billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred eleven".