200201002221123 has 24 divisors (see below), whose sum is σ = 307249248337200. Its totient is φ = 125616315091392.

The previous prime is 200201002221097. The next prime is 200201002221127. The reversal of 200201002221123 is 321122200102002.

200201002221123 is a `hidden beast` number, since 200 + 20 + 100 + 2 + 221 + 123 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-200201002221123 is a prime.

It is a super-2 number, since 2×200201002221123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200201002221096 and 200201002221105.

It is not an unprimeable number, because it can be changed into a prime (200201002221127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2263802293 + ... + 2263890726.

It is an arithmetic number, because the mean of its divisors is an integer number (12802052014050).

Almost surely, 2^{200201002221123} is an apocalyptic number.

200201002221123 is a deficient number, since it is larger than the sum of its proper divisors (107048246116077).

200201002221123 is an equidigital number, since it uses as much as digits as its factorization.

200201002221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527693076 (or 4527693039 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200201002221123 its reverse (321122200102002), we get a palindrome (521323202323125).

The spelling of 200201002221123 in words is "two hundred trillion, two hundred one billion, two million, two hundred twenty-one thousand, one hundred twenty-three".