10221122011 has 4 divisors (see below), whose sum is σ = 10227997152. Its totient is φ = 10214246872.

The previous prime is 10221121951. The next prime is 10221122081. The reversal of 10221122011 is 11022112201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11022112201 = 39043 ⋅282307.

It is a cyclic number.

It is not a de Polignac number, because 10221122011 - 2²¹ = 10219024859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221121982 and 10221122000.

It is not an unprimeable number, because it can be changed into a prime (10221122081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3435340 + ... + 3438313.

It is an arithmetic number, because the mean of its divisors is an integer number (2556999288).

Almost surely, 2^10221122011 is an apocalyptic number.

10221122011 is a deficient number, since it is larger than the sum of its proper divisors (6875141).

10221122011 is an equidigital number, since it uses as much as digits as its factorization.

10221122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875140.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10221122011 its reverse (11022112201), we get a palindrome (21243234212).

The spelling of 10221122011 in words is "ten billion, two hundred twenty-one million, one hundred twenty-two thousand, eleven".