200001021093 has 12 divisors (see below), whose sum is σ = 288899252460. Its totient is φ = 133329911616.

The previous prime is 200001021053. The next prime is 200001021137. The reversal of 200001021093 is 390120100002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130322444004 + 69678577089 = 361002^2 + 263967^2 .

It is not a de Polignac number, because 200001021093 - 2¹⁷ = 200000890021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001021053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16848 + ... + 632681.

It is an arithmetic number, because the mean of its divisors is an integer number (24074937705).

Almost surely, 2^200001021093 is an apocalyptic number.

It is an amenable number.

200001021093 is a deficient number, since it is larger than the sum of its proper divisors (88898231367).

200001021093 is a wasteful number, since it uses less digits than its factorization.

200001021093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683748 (or 683745 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 200001021093 its reverse (390120100002), we get a palindrome (590121121095).

The spelling of 200001021093 in words is "two hundred billion, one million, twenty-one thousand, ninety-three".