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2211013210021 = 71140970206497
BaseRepresentation
bin100000001011001010101…
…010000010111110100101
321211101000022102120102221
4200023022222002332211
5242211123340210041
64411420410232341
7315511653124060
oct40131252027645
97741008376387
102211013210021
1178275a352750
122b8613a256b1
13130661454865
14790294bd8d7
153c7a82502d1
hex202caa82fa5

2211013210021 has 16 divisors (see below), whose sum is σ = 2763327761280. Its totient is φ = 1718655022080.

The previous prime is 2211013210009. The next prime is 2211013210027. The reversal of 2211013210021 is 1200123101122.

It is a cyclic number.

It is not a de Polignac number, because 2211013210021 - 25 = 2211013209989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211013209977 and 2211013210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211013210027) 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, 35071756 + ... + 35134741.

It is an arithmetic number, because the mean of its divisors is an integer number (172707985080).

Almost surely, 22211013210021 is an apocalyptic number.

It is an amenable number.

2211013210021 is a deficient number, since it is larger than the sum of its proper divisors (552314551259).

2211013210021 is a wasteful number, since it uses less digits than its factorization.

2211013210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70206924.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2211013210021 its reverse (1200123101122), we get a palindrome (3411136311143).

The spelling of 2211013210021 in words is "two trillion, two hundred eleven billion, thirteen million, two hundred ten thousand, twenty-one".

Divisors: 1 7 11 77 409 2863 4499 31493 70206497 491445479 772271467 5405900269 28714457273 201001200911 315859030003 2211013210021