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202012222101 = 3230172925551
BaseRepresentation
bin1011110000100011011…
…1011110001010010101
3201022102120122011021220
42330020313132022111
511302210112101401
6232445251000553
720411023361514
oct2741067361225
9638376564256
10202012222101
11787446a6478
1233199599159
1316085185641
149ac543c67b
1553c4e4d336
hex2f08dde295

202012222101 has 8 divisors (see below), whose sum is σ = 269361423744. Its totient is φ = 134668917600.

The previous prime is 202012222099. The next prime is 202012222141. The reversal of 202012222101 is 101222210202.

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

It is not a de Polignac number, because 202012222101 - 21 = 202012222099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012222141) 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, 1393725 + ... + 1531826.

It is an arithmetic number, because the mean of its divisors is an integer number (33670177968).

Almost surely, 2202012222101 is an apocalyptic number.

It is an amenable number.

202012222101 is a deficient number, since it is larger than the sum of its proper divisors (67349201643).

202012222101 is a wasteful number, since it uses less digits than its factorization.

202012222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948571.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202012222101 its reverse (101222210202), we get a palindrome (303234432303).

The spelling of 202012222101 in words is "two hundred two billion, twelve million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 3 23017 69051 2925551 8776653 67337407367 202012222101