211202220120023 has 4 divisors (see below), whose sum is σ = 230402421949128. Its totient is φ = 192002018290920.

The previous prime is 211202220120019. The next prime is 211202220120041. The reversal of 211202220120023 is 320021022202112.

211202220120023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211202220120023 - 2² = 211202220120019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211202220119977 and 211202220120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202220120523) 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, 9600100914536 + ... + 9600100914557.

It is an arithmetic number, because the mean of its divisors is an integer number (57600605487282).

Almost surely, 2^{211202220120023} is an apocalyptic number.

211202220120023 is a deficient number, since it is larger than the sum of its proper divisors (19200201829105).

211202220120023 is a wasteful number, since it uses less digits than its factorization.

211202220120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200201829104.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211202220120023 its reverse (320021022202112), we get a palindrome (531223242322135).

The spelling of 211202220120023 in words is "two hundred eleven trillion, two hundred two billion, two hundred twenty million, one hundred twenty thousand, twenty-three".