105135214201 has 4 divisors (see below), whose sum is σ = 105139178404. Its totient is φ = 105131250000.

The previous prime is 105135214199. The next prime is 105135214237. The reversal of 105135214201 is 102412531501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18625698576 + 86509515625 = 136476^2 + 294125^2 .

It is a cyclic number.

It is not a de Polignac number, because 105135214201 - 2¹ = 105135214199 is a prime.

It is a super-2 number, since 2×105135214201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105135214241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942050 + ... + 1995451.

It is an arithmetic number, because the mean of its divisors is an integer number (26284794601).

Almost surely, 2^105135214201 is an apocalyptic number.

It is an amenable number.

105135214201 is a deficient number, since it is larger than the sum of its proper divisors (3964203).

105135214201 is an equidigital number, since it uses as much as digits as its factorization.

105135214201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964202.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 105135214201 its reverse (102412531501), we get a palindrome (207547745702).

The spelling of 105135214201 in words is "one hundred five billion, one hundred thirty-five million, two hundred fourteen thousand, two hundred one".