361201110202121 has 4 divisors (see below), whose sum is σ = 412801268802432. Its totient is φ = 309600951601812.

The previous prime is 361201110202111. The next prime is 361201110202171. The reversal of 361201110202121 is 121202011102163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361201110202121 - 2¹⁴ = 361201110185737 is a prime.

It is a super-2 number, since 2×361201110202121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361201110202111) 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, 25800079300145 + ... + 25800079300158.

It is an arithmetic number, because the mean of its divisors is an integer number (103200317200608).

Almost surely, 2^{361201110202121} is an apocalyptic number.

It is an amenable number.

361201110202121 is a deficient number, since it is larger than the sum of its proper divisors (51600158600311).

361201110202121 is an equidigital number, since it uses as much as digits as its factorization.

361201110202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51600158600310.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 361201110202121 its reverse (121202011102163), we get a palindrome (482403121304284).

The spelling of 361201110202121 in words is "three hundred sixty-one trillion, two hundred one billion, one hundred ten million, two hundred two thousand, one hundred twenty-one".