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2121010102201 = 25153991565149
BaseRepresentation
bin11110110111010110000…
…011011011111110111001
321111202200211200222012011
4132313112003123332321
5234222312041232301
64302213435245521
7306144415254604
oct36672603337671
97452624628164
102121010102201
117485739a9711
122a3095ba98a1
13125019ab4b43
147492c01333b
153a28b9aca51
hex1edd60dbfb9

2121010102201 has 8 divisors (see below), whose sum is σ = 2129856120000. Its totient is φ = 2112167226000.

The previous prime is 2121010102171. The next prime is 2121010102229. The reversal of 2121010102201 is 1022010101212.

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 2121010102201 - 237 = 1983571148729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121010102231) 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, 572575 + ... + 2137723.

It is an arithmetic number, because the mean of its divisors is an integer number (266232015000).

Almost surely, 22121010102201 is an apocalyptic number.

It is an amenable number.

2121010102201 is a deficient number, since it is larger than the sum of its proper divisors (8846017799).

2121010102201 is a wasteful number, since it uses less digits than its factorization.

2121010102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570799.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121010102201 its reverse (1022010101212), we get a palindrome (3143020203413).

The spelling of 2121010102201 in words is "two trillion, one hundred twenty-one billion, ten million, one hundred two thousand, two hundred one".

Divisors: 1 251 5399 1355149 1565149 392852399 8450239451 2121010102201