100210201381 has 2 divisors, whose sum is σ = 100210201382. Its totient is φ = 100210201380.

The previous prime is 100210201283. The next prime is 100210201397. The reversal of 100210201381 is 183102012001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98303569156 + 1906632225 = 313534^2 + 43665^2 .

It is a cyclic number.

It is not a de Polignac number, because 100210201381 - 2²¹ = 100208104229 is a prime.

It is a super-2 number, since 2×100210201381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100210201181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105100690 + 50105100691.

It is an arithmetic number, because the mean of its divisors is an integer number (50105100691).

Almost surely, 2^100210201381 is an apocalyptic number.

It is an amenable number.

100210201381 is a deficient number, since it is larger than the sum of its proper divisors (1).

100210201381 is an equidigital number, since it uses as much as digits as its factorization.

100210201381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 100210201381 its reverse (183102012001), we get a palindrome (283312213382).

The spelling of 100210201381 in words is "one hundred billion, two hundred ten million, two hundred one thousand, three hundred eighty-one".