20112123022 has 8 divisors (see below), whose sum is σ = 31141351872. Its totient is φ = 9731672400.

The previous prime is 20112122981. The next prime is 20112123043. The reversal of 20112123022 is 22032121102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20112122987 and 20112123005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 162194479 + ... + 162194602.

It is an arithmetic number, because the mean of its divisors is an integer number (3892668984).

Almost surely, 2^20112123022 is an apocalyptic number.

20112123022 is a deficient number, since it is larger than the sum of its proper divisors (11029228850).

20112123022 is a wasteful number, since it uses less digits than its factorization.

20112123022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324389114.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20112123022 its reverse (22032121102), we get a palindrome (42144244124).

The spelling of 20112123022 in words is "twenty billion, one hundred twelve million, one hundred twenty-three thousand, twenty-two".