10221413123 has 4 divisors (see below), whose sum is σ = 10221714768. Its totient is φ = 10221111480.

The previous prime is 10221413113. The next prime is 10221413129. The reversal of 10221413123 is 32131412201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221413123 - 2¹² = 10221409027 is a prime.

It is a super-2 number, since 2×10221413123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221413095 and 10221413104.

It is not an unprimeable number, because it can be changed into a prime (10221413129) 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, 92468 + ... + 170273.

It is an arithmetic number, because the mean of its divisors is an integer number (2555428692).

Almost surely, 2^10221413123 is an apocalyptic number.

10221413123 is a deficient number, since it is larger than the sum of its proper divisors (301645).

10221413123 is an equidigital number, since it uses as much as digits as its factorization.

10221413123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301644.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 10221413123 its reverse (32131412201), we get a palindrome (42352825324).

The spelling of 10221413123 in words is "ten billion, two hundred twenty-one million, four hundred thirteen thousand, one hundred twenty-three".