202023330100221 has 32 divisors (see below), whose sum is σ = 325977848644608. Its totient is φ = 108643122604800.

The previous prime is 202023330100217. The next prime is 202023330100279. The reversal of 202023330100221 is 122001033320202.

It is a happy number.

It is not a de Polignac number, because 202023330100221 - 2² = 202023330100217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023330101221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16233295 + ... + 25837308.

It is an arithmetic number, because the mean of its divisors is an integer number (10186807770144).

Almost surely, 2^{202023330100221} is an apocalyptic number.

202023330100221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202023330100221 is a deficient number, since it is larger than the sum of its proper divisors (123954518544387).

202023330100221 is a wasteful number, since it uses less digits than its factorization.

202023330100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42084081.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202023330100221 its reverse (122001033320202), we get a palindrome (324024363420423).

The spelling of 202023330100221 in words is "two hundred two trillion, twenty-three billion, three hundred thirty million, one hundred thousand, two hundred twenty-one".