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2021222002201 = 19235503840491
BaseRepresentation
bin11101011010011010001…
…110000010111000011001
321011020010102210021002121
4131122122032002320121
5231103430313032301
64144311522101241
7266012523355423
oct35323216027031
97136112707077
102021222002201
1170a217144186
122878871aa821
131187a616801c
146db83191813
153789b17d3a1
hex1d69a382e19

2021222002201 has 16 divisors (see below), whose sum is σ = 2220512624640. Its totient is φ = 1831252888080.

The previous prime is 2021222002199. The next prime is 2021222002211. The reversal of 2021222002201 is 1022002221202.

It is a cyclic number.

It is not a de Polignac number, because 2021222002201 - 21 = 2021222002199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021222002211) 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, 1984566 + ... + 2825056.

It is an arithmetic number, because the mean of its divisors is an integer number (138782039040).

Almost surely, 22021222002201 is an apocalyptic number.

It is an amenable number.

2021222002201 is a deficient number, since it is larger than the sum of its proper divisors (199290622439).

2021222002201 is a wasteful number, since it uses less digits than its factorization.

2021222002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846036.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2021222002201 its reverse (1022002221202), we get a palindrome (3043224223403).

The spelling of 2021222002201 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two thousand, two hundred one".

Divisors: 1 19 23 437 5503 104557 126569 840491 2404811 15969329 19331293 367294567 4625221973 87879217487 106380105379 2021222002201