200612271121 has 2 divisors, whose sum is σ = 200612271122. Its totient is φ = 200612271120.

The previous prime is 200612271091. The next prime is 200612271217. The reversal of 200612271121 is 121172216002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125146137600 + 75466133521 = 353760^2 + 274711^2 .

It is a cyclic number.

It is not a de Polignac number, because 200612271121 - 2¹⁵ = 200612238353 is a prime.

It is a super-2 number, since 2×200612271121² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200612271221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100306135560 + 100306135561.

It is an arithmetic number, because the mean of its divisors is an integer number (100306135561).

Almost surely, 2^200612271121 is an apocalyptic number.

It is an amenable number.

200612271121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200612271121 is an equidigital number, since it uses as much as digits as its factorization.

200612271121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 200612271121 its reverse (121172216002), we get a palindrome (321784487123).

The spelling of 200612271121 in words is "two hundred billion, six hundred twelve million, two hundred seventy-one thousand, one hundred twenty-one".