10220123011 has 20 divisors (see below), whose sum is σ = 11940640592. Its totient is φ = 8746977456.

The previous prime is 10220122999. The next prime is 10220123029. The reversal of 10220123011 is 11032102201.

10220123011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10220123011 - 2²¹ = 10218025859 is a prime.

It is a super-2 number, since 2×10220123011² (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 = 10220122982 and 10220123000.

It is not an unprimeable number, because it can be changed into a prime (10220103011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1814746 + ... + 1820368.

Almost surely, 2^10220123011 is an apocalyptic number.

10220123011 is a deficient number, since it is larger than the sum of its proper divisors (1720517581).

10220123011 is an frugal number, since it uses more digits than its factorization.

10220123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10220123011 its reverse (11032102201), we get a palindrome (21252225212).

The spelling of 10220123011 in words is "ten billion, two hundred twenty million, one hundred twenty-three thousand, eleven".