102020201001331 has 4 divisors (see below), whose sum is σ = 102045918222592. Its totient is φ = 101994483780072.

The previous prime is 102020201001287. The next prime is 102020201001337. The reversal of 102020201001331 is 133100102020201.

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 102020201001331 - 2²¹ = 102020198904179 is a prime.

It is a super-2 number, since 2×102020201001331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020201001337) 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, 12858604680 + ... + 12858612613.

It is an arithmetic number, because the mean of its divisors is an integer number (25511479555648).

Almost surely, 2^{102020201001331} is an apocalyptic number.

102020201001331 is a deficient number, since it is larger than the sum of its proper divisors (25717221261).

102020201001331 is an equidigital number, since it uses as much as digits as its factorization.

102020201001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25717221260.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102020201001331 its reverse (133100102020201), we get a palindrome (235120303021532).

The spelling of 102020201001331 in words is "one hundred two trillion, twenty billion, two hundred one million, one thousand, three hundred thirty-one".