212021110023 has 8 divisors (see below), whose sum is σ = 282698644848. Its totient is φ = 141345490944.

The previous prime is 212021110019. The next prime is 212021110039. The reversal of 212021110023 is 320011120212.

212021110023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212021110023 - 2² = 212021110019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021109984 and 212021110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021110073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196986 + ... + 680327.

It is an arithmetic number, because the mean of its divisors is an integer number (35337330606).

Almost surely, 2^212021110023 is an apocalyptic number.

212021110023 is a deficient number, since it is larger than the sum of its proper divisors (70677534825).

212021110023 is an equidigital number, since it uses as much as digits as its factorization.

212021110023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957873.

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

Adding to 212021110023 its reverse (320011120212), we get a palindrome (532032230235).

The spelling of 212021110023 in words is "two hundred twelve billion, twenty-one million, one hundred ten thousand, twenty-three".