210212120111023 has 8 divisors (see below), whose sum is σ = 221276242085120. Its totient is φ = 199148030754840.

The previous prime is 210212120110943. The next prime is 210212120111083. The reversal of 210212120111023 is 320111021212012.

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

It is a cyclic number.

It is not a de Polignac number, because 210212120111023 - 2²¹ = 210212118013871 is a prime.

It is a super-2 number, since 2×210212120111023² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212120111083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5675536 + ... + 21275242.

It is an arithmetic number, because the mean of its divisors is an integer number (27659530260640).

Almost surely, 2^{210212120111023} is an apocalyptic number.

210212120111023 is a deficient number, since it is larger than the sum of its proper divisors (11064121974097).

210212120111023 is a wasteful number, since it uses less digits than its factorization.

210212120111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16308957.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 210212120111023 its reverse (320111021212012), we get a palindrome (530323141323035).

The spelling of 210212120111023 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twenty million, one hundred eleven thousand, twenty-three".