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102201202211021 = 499394751890557
BaseRepresentation
bin10111001111001110010010…
…010110100111100011001101
3111101212100011111121201020022
4113033032102112213203031
5101343431030231223041
61001210330101231525
730345536031211604
oct2717162226474315
9441770144551208
10102201202211021
112a6233172a5091
12b56733ba025a5
1345046bbab6144
141b347c92caa3b
15bc374b54724b
hex5cf3925a78cd

102201202211021 has 8 divisors (see below), whose sum is σ = 102431961492000. Its totient is φ = 101970546720048.

The previous prime is 102201202211011. The next prime is 102201202211033. The reversal of 102201202211021 is 120112202102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201202211021 - 242 = 97803155699917 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 (102201202211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23975726 + ... + 27914831.

It is an arithmetic number, because the mean of its divisors is an integer number (12803995186500).

Almost surely, 2102201202211021 is an apocalyptic number.

It is an amenable number.

102201202211021 is a deficient number, since it is larger than the sum of its proper divisors (230759280979).

102201202211021 is an equidigital number, since it uses as much as digits as its factorization.

102201202211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51895003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102201202211021 its reverse (120112202102201), we get a palindrome (222313404313222).

The spelling of 102201202211021 in words is "one hundred two trillion, two hundred one billion, two hundred two million, two hundred eleven thousand, twenty-one".

Divisors: 1 499 3947 1969553 51890557 25893387943 204812028479 102201202211021