202123030211 has 8 divisors (see below), whose sum is σ = 203162703744. Its totient is φ = 201085960320.

The previous prime is 202123030177. The next prime is 202123030223. The reversal of 202123030211 is 112030321202.

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 202123030211 - 2⁶ = 202123030147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202123030211.

It is not an unprimeable number, because it can be changed into a prime (202123030261) 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, 495155 + ... + 805868.

It is an arithmetic number, because the mean of its divisors is an integer number (25395337968).

Almost surely, 2^202123030211 is an apocalyptic number.

202123030211 is a deficient number, since it is larger than the sum of its proper divisors (1039673533).

202123030211 is a wasteful number, since it uses less digits than its factorization.

202123030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301821.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202123030211 its reverse (112030321202), we get a palindrome (314153351413).

The spelling of 202123030211 in words is "two hundred two billion, one hundred twenty-three million, thirty thousand, two hundred eleven".