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222021202102101 = 3328219291399677
BaseRepresentation
bin110010011110110101010110…
…111000100100011101010101
31002010010000112022102210112000
4302132311112320210131111
5213100043410214231401
62104111044315145513
764523334234623313
oct6236652670443525
91063100468383460
10222021202102101
11648197325622a6
1220a99243445299
1396b6681560b0c
143cb7c525330b3
151aa0433472186
hexc9ed56e24755

222021202102101 has 16 divisors (see below), whose sum is σ = 328931956526400. Its totient is φ = 148008889032624.

The previous prime is 222021202102099. The next prime is 222021202102159. The reversal of 222021202102101 is 101201202120222.

It is a happy number.

222021202102101 is a `hidden beast` number, since 2 + 220 + 2 + 1 + 20 + 210 + 210 + 1 = 666.

It is not a de Polignac number, because 222021202102101 - 21 = 222021202102099 is a prime.

It is a super-2 number, since 2×2220212021021012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021202102801) 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, 144937926 + ... + 146461751.

It is an arithmetic number, because the mean of its divisors is an integer number (20558247282900).

Almost surely, 2222021202102101 is an apocalyptic number.

It is an amenable number.

222021202102101 is a deficient number, since it is larger than the sum of its proper divisors (106910754424299).

222021202102101 is a wasteful number, since it uses less digits than its factorization.

222021202102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291427905 (or 291427899 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222021202102101 its reverse (101201202120222), we get a palindrome (323222404222323).

The spelling of 222021202102101 in words is "two hundred twenty-two trillion, twenty-one billion, two hundred two million, one hundred two thousand, one hundred one".

Divisors: 1 3 9 27 28219 84657 253971 761913 291399677 874199031 2622597093 7867791279 8223007485263 24669022455789 74007067367367 222021202102101