10021121223 has 16 divisors (see below), whose sum is σ = 14165917920. Its totient is φ = 6279561216.

The previous prime is 10021121221. The next prime is 10021121251. The reversal of 10021121223 is 32212112001.

10021121223 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 10021121223 - 2¹ = 10021121221 is a prime.

It is a super-2 number, since 2×10021121223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021121221) 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 15 ways as a sum of consecutive naturals, for example, 88540 + ... + 166977.

It is an arithmetic number, because the mean of its divisors is an integer number (885369870).

Almost surely, 2^10021121223 is an apocalyptic number.

10021121223 is a deficient number, since it is larger than the sum of its proper divisors (4144796697).

10021121223 is a wasteful number, since it uses less digits than its factorization.

10021121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256306.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10021121223 its reverse (32212112001), we get a palindrome (42233233224).

The spelling of 10021121223 in words is "ten billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".