102201020030231 has 4 divisors (see below), whose sum is σ = 102204329572464. Its totient is φ = 102197710488000.

The previous prime is 102201020030183. The next prime is 102201020030233. The reversal of 102201020030231 is 132030020102201.

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

It is a cyclic number.

It is not a de Polignac number, because 102201020030231 - 2²⁶ = 102200952921367 is a prime.

It is a super-2 number, since 2×102201020030231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201020030233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654724795 + ... + 1654786556.

It is an arithmetic number, because the mean of its divisors is an integer number (25551082393116).

Almost surely, 2^{102201020030231} is an apocalyptic number.

102201020030231 is a deficient number, since it is larger than the sum of its proper divisors (3309542233).

102201020030231 is an equidigital number, since it uses as much as digits as its factorization.

102201020030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309542232.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102201020030231 its reverse (132030020102201), we get a palindrome (234231040132432).

The spelling of 102201020030231 in words is "one hundred two trillion, two hundred one billion, twenty million, thirty thousand, two hundred thirty-one".