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2002022110221 = 37151631353551
BaseRepresentation
bin11101001000100001110…
…100010001010000001101
321002101120100210200201020
4131020201310101100031
5230300120130011341
64131414413504353
7264432655105110
oct35104164212015
97071510720636
102002022110221
1170206431a161
122840091a20b9
13116a364804b3
146cc81262577
15371257ab566
hex1d221d1140d

2002022110221 has 16 divisors (see below), whose sum is σ = 3070903676928. Its totient is φ = 1136436390000.

The previous prime is 2002022110219. The next prime is 2002022110259. The reversal of 2002022110221 is 1220112202002.

It is not a de Polignac number, because 2002022110221 - 21 = 2002022110219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002022110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002022110021) 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, 315673605 + ... + 315679946.

It is an arithmetic number, because the mean of its divisors is an integer number (191931479808).

Almost surely, 22002022110221 is an apocalyptic number.

2002022110221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2002022110221 is a deficient number, since it is larger than the sum of its proper divisors (1068881566707).

2002022110221 is a wasteful number, since it uses less digits than its factorization.

2002022110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631353712.

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

Adding to 2002022110221 its reverse (1220112202002), we get a palindrome (3222134312223).

The spelling of 2002022110221 in words is "two trillion, two billion, twenty-two million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 7 21 151 453 1057 3171 631353551 1894060653 4419474857 13258424571 95334386201 286003158603 667340703407 2002022110221