200210220202123 has 16 divisors (see below), whose sum is σ = 211561230136320. Its totient is φ = 189079767923904.

The previous prime is 200210220202099. The next prime is 200210220202133. The reversal of 200210220202123 is 321202022012002.

It is a cyclic number.

It is not a de Polignac number, because 200210220202123 - 2²¹ = 200210218104971 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 200210220202123.

It is not an unprimeable number, because it can be changed into a prime (200210220202133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266147415 + ... + 266898607.

It is an arithmetic number, because the mean of its divisors is an integer number (13222576883520).

Almost surely, 2^{200210220202123} is an apocalyptic number.

200210220202123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200210220202123 is a deficient number, since it is larger than the sum of its proper divisors (11351009934197).

200210220202123 is a wasteful number, since it uses less digits than its factorization.

200210220202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897978.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 200210220202123 its reverse (321202022012002), we get a palindrome (521412242214125).

The spelling of 200210220202123 in words is "two hundred trillion, two hundred ten billion, two hundred twenty million, two hundred two thousand, one hundred twenty-three".