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102020132022221 = 7411907186403169
BaseRepresentation
bin10111001100100101101001…
…101110101010011111001101
3111101020000210102010001221102
4113030211221232222133031
5101332444212244202341
61000551222430512445
730326465656046540
oct2714455156523715
9441200712101842
10102020132022221
112a56354995a256
12b538227965725
1344c05c352acaa
141b29b2d312857
15bbdb9ede5c9b
hex5cc969baa7cd

102020132022221 has 16 divisors (see below), whose sum is σ = 119500835448960. Its totient is φ = 85268265169920.

The previous prime is 102020132022209. The next prime is 102020132022241. The reversal of 102020132022221 is 122220231020201.

It is a de Polignac number, because none of the positive numbers 2k-102020132022221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020132022193 and 102020132022202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020132022241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92654276 + ... + 93748893.

It is an arithmetic number, because the mean of its divisors is an integer number (7468802215560).

Almost surely, 2102020132022221 is an apocalyptic number.

It is an amenable number.

102020132022221 is a deficient number, since it is larger than the sum of its proper divisors (17480703426739).

102020132022221 is a wasteful number, since it uses less digits than its factorization.

102020132022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186405124.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102020132022221 its reverse (122220231020201), we get a palindrome (224240363042422).

The spelling of 102020132022221 in words is "one hundred two trillion, twenty billion, one hundred thirty-two million, twenty-two thousand, two hundred twenty-one".

Divisors: 1 7 41 287 1907 13349 78187 547309 186403169 1304822183 7642529929 53497709503 355470843283 2488295902981 14574304574603 102020132022221