10021122111 has 48 divisors (see below), whose sum is σ = 18075878912. Its totient is φ = 4805317440.

The previous prime is 10021122109. The next prime is 10021122119. The reversal of 10021122111 is 11122112001.

10021122111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10021122111 - 2¹ = 10021122109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118651 + ... + 184716.

Almost surely, 2^10021122111 is an apocalyptic number.

10021122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10021122111 is a deficient number, since it is larger than the sum of its proper divisors (8054756801).

10021122111 is a wasteful number, since it uses less digits than its factorization.

10021122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303412 (or 303401 counting only the distinct ones).

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

Adding to 10021122111 its reverse (11122112001), we get a palindrome (21143234112).

The spelling of 10021122111 in words is "ten billion, twenty-one million, one hundred twenty-two thousand, one hundred eleven".