200102120993 has 2 divisors, whose sum is σ = 200102120994. Its totient is φ = 200102120992.

The previous prime is 200102120969. The next prime is 200102121059. The reversal of 200102120993 is 399021201002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182147996944 + 17954124049 = 426788^2 + 133993^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102120993 - 2³² = 195807153697 is a prime.

It is a super-2 number, since 2×200102120993² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200102120903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051060496 + 100051060497.

It is an arithmetic number, because the mean of its divisors is an integer number (100051060497).

Almost surely, 2^200102120993 is an apocalyptic number.

It is an amenable number.

200102120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102120993 is an equidigital number, since it uses as much as digits as its factorization.

200102120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

Adding to 200102120993 its reverse (399021201002), we get a palindrome (599123321995).

The spelling of 200102120993 in words is "two hundred billion, one hundred two million, one hundred twenty thousand, nine hundred ninety-three".