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102201222121201 = 714600174588743
BaseRepresentation
bin10111001111001110010011…
…100010100100011011110001
3111101212100012220002020212101
4113033032103202210123301
5101343431100330334301
61001210332052100401
730345536362355020
oct2717162342443361
9441770186066771
10102201222121201
112a623327563985
12b567346604701
1345046c2c67708
141b347cbbd08b7
15bc374d17b701
hex5cf3938a46f1

102201222121201 has 4 divisors (see below), whose sum is σ = 116801396709952. Its totient is φ = 87601047532452.

The previous prime is 102201222121157. The next prime is 102201222121211. The reversal of 102201222121201 is 102121222102201.

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 102201222121201 - 223 = 102201213732593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102201222121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300087294365 + ... + 7300087294378.

It is an arithmetic number, because the mean of its divisors is an integer number (29200349177488).

Almost surely, 2102201222121201 is an apocalyptic number.

It is an amenable number.

102201222121201 is a deficient number, since it is larger than the sum of its proper divisors (14600174588751).

102201222121201 is an equidigital number, since it uses as much as digits as its factorization.

102201222121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600174588750.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102201222121201 its reverse (102121222102201), we get a palindrome (204322444223402).

The spelling of 102201222121201 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 7 14600174588743 102201222121201