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201002202120101 = 1910579063269479
BaseRepresentation
bin101101101100111101111000…
…110110110011111110100101
3222100200121211001201202221012
4231230331320312303332211
5202321210002220320401
61551255045323032005
760223633642633004
oct5554757066637645
9870617731652835
10201002202120101
1159055611a86708
121a6636a696b605
13882057084c065
14378c7b66dac3b
1518387ddce08bb
hexb6cf78db3fa5

201002202120101 has 4 divisors (see below), whose sum is σ = 211581265389600. Its totient is φ = 190423138850604.

The previous prime is 201002202120091. The next prime is 201002202120169. The reversal of 201002202120101 is 101021202200102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201002202120101 - 222 = 201002197925797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002201120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289531634721 + ... + 5289531634758.

It is an arithmetic number, because the mean of its divisors is an integer number (52895316347400).

Almost surely, 2201002202120101 is an apocalyptic number.

It is an amenable number.

201002202120101 is a deficient number, since it is larger than the sum of its proper divisors (10579063269499).

201002202120101 is a wasteful number, since it uses less digits than its factorization.

201002202120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579063269498.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201002202120101 its reverse (101021202200102), we get a palindrome (302023404320203).

The spelling of 201002202120101 in words is "two hundred one trillion, two billion, two hundred two million, one hundred twenty thousand, one hundred one".

Divisors: 1 19 10579063269479 201002202120101