202102101221231 has 8 divisors (see below), whose sum is σ = 202677583799424. Its totient is φ = 201526635340800.

The previous prime is 202102101221219. The next prime is 202102101221257. The reversal of 202102101221231 is 132122101201202.

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 202102101221231 - 2⁴⁶ = 131733357043567 is a prime.

It is a super-2 number, since 2×202102101221231² (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 (202102101221731) 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, 20270615 + ... + 28549991.

It is an arithmetic number, because the mean of its divisors is an integer number (25334697974928).

Almost surely, 2^{202102101221231} is an apocalyptic number.

202102101221231 is a deficient number, since it is larger than the sum of its proper divisors (575482578193).

202102101221231 is an equidigital number, since it uses as much as digits as its factorization.

202102101221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348881.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 202102101221231 its reverse (132122101201202), we get a palindrome (334224202422433).

The spelling of 202102101221231 in words is "two hundred two trillion, one hundred two billion, one hundred one million, two hundred twenty-one thousand, two hundred thirty-one".