211202002123 has 8 divisors (see below), whose sum is σ = 243588155360. Its totient is φ = 179369458560.

The previous prime is 211202002117. The next prime is 211202002139. The reversal of 211202002123 is 321200202112.

It is a happy number.

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 211202002123 - 2⁵ = 211202002091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211202002097 and 211202002106.

It is not an unprimeable number, because it can be changed into a prime (211202032123) 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, 138401598 + ... + 138403123.

It is an arithmetic number, because the mean of its divisors is an integer number (30448519420).

Almost surely, 2^211202002123 is an apocalyptic number.

211202002123 is a deficient number, since it is larger than the sum of its proper divisors (32386153237).

211202002123 is a wasteful number, since it uses less digits than its factorization.

211202002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276804837.

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

Adding to 211202002123 its reverse (321200202112), we get a palindrome (532402204235).

The spelling of 211202002123 in words is "two hundred eleven billion, two hundred two million, two thousand, one hundred twenty-three".