102020201131321 has 8 divisors (see below), whose sum is σ = 111295484747424. Its totient is φ = 92745037494720.

The previous prime is 102020201131259. The next prime is 102020201131351. The reversal of 102020201131321 is 123131102020201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102020201131321 - 2⁷ = 102020201131193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020201131351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28212336 + ... + 31622401.

It is an arithmetic number, because the mean of its divisors is an integer number (13911935593428).

Almost surely, 2^{102020201131321} is an apocalyptic number.

102020201131321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102020201131321 is a deficient number, since it is larger than the sum of its proper divisors (9275283616103).

102020201131321 is a wasteful number, since it uses less digits than its factorization.

102020201131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59989751.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102020201131321 its reverse (123131102020201), we get a palindrome (225151303151522).

The spelling of 102020201131321 in words is "one hundred two trillion, twenty billion, two hundred one million, one hundred thirty-one thousand, three hundred twenty-one".