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10201000222021 = 731103456400171
BaseRepresentation
bin1001010001110001101011…
…1111101001110101000101
31100010012120020121110222211
42110130122333221311011
52314113122024101041
633410135205223421
72101666203135430
oct224343277516505
940105506543884
1010201000222021
11328324675a894
121189032401b71
1358cc4776193b
14273a33db8817
1512a5410de481
hex9471afe9d45

10201000222021 has 16 divisors (see below), whose sum is σ = 12151198179328. Its totient is φ = 8379507121200.

The previous prime is 10201000222001. The next prime is 10201000222073. The reversal of 10201000222021 is 12022200010201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10201000222021 - 237 = 10063561268549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201000221992 and 10201000222010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201000222001) 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, 228177735 + ... + 228222436.

It is an arithmetic number, because the mean of its divisors is an integer number (759449886208).

Almost surely, 210201000222021 is an apocalyptic number.

It is an amenable number.

10201000222021 is a deficient number, since it is larger than the sum of its proper divisors (1950197957307).

10201000222021 is a wasteful number, since it uses less digits than its factorization.

10201000222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456400312.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10201000222021 its reverse (12022200010201), we get a palindrome (22223200232222).

The spelling of 10201000222021 in words is "ten trillion, two hundred one billion, two hundred twenty-two thousand, twenty-one".

Divisors: 1 7 31 103 217 721 3193 22351 456400171 3194801197 14148405301 47009217613 99038837107 329064523291 1457285746003 10201000222021