10221002011 has 6 divisors (see below), whose sum is σ = 11234655236. Its totient is φ = 9291819900.

The previous prime is 10221001957. The next prime is 10221002081. The reversal of 10221002011 is 11020012201.

It is not a de Polignac number, because 10221002011 - 2¹⁹ = 10220477723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221002081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42235425 + ... + 42235666.

Almost surely, 2^10221002011 is an apocalyptic number.

10221002011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10221002011 is a deficient number, since it is larger than the sum of its proper divisors (1013653225).

10221002011 is an equidigital number, since it uses as much as digits as its factorization.

10221002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84471113 (or 84471102 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10221002011 its reverse (11020012201), we get a palindrome (21241014212).

The spelling of 10221002011 in words is "ten billion, two hundred twenty-one million, two thousand, eleven".