10221011211 has 4 divisors (see below), whose sum is σ = 13628014952. Its totient is φ = 6814007472.

The previous prime is 10221011197. The next prime is 10221011219. The reversal of 10221011211 is 11211012201.

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

It is not a de Polignac number, because 10221011211 - 2²⁵ = 10187456779 is a prime.

It is a super-3 number, since 3×10221011211³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221011219) 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, 1703501866 + ... + 1703501871.

It is an arithmetic number, because the mean of its divisors is an integer number (3407003738).

Almost surely, 2^10221011211 is an apocalyptic number.

10221011211 is a deficient number, since it is larger than the sum of its proper divisors (3407003741).

10221011211 is an equidigital number, since it uses as much as digits as its factorization.

10221011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407003740.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10221011211 its reverse (11211012201), we get a palindrome (21432023412).

The spelling of 10221011211 in words is "ten billion, two hundred twenty-one million, eleven thousand, two hundred eleven".