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102011211122201 = 405125181735651
BaseRepresentation
bin10111001100011101010110…
…000000001000011000011001
3111101012011202200212101200222
4113030131112000020120121
5101332322430021402301
61000543145313005425
730326031623462633
oct2714352600103031
9441164680771628
10102011211122201
112a55a791285007
12b536558253875
1344bc801284524
141b2952460ba53
15bbd82bb4131b
hex5cc756008619

102011211122201 has 4 divisors (see below), whose sum is σ = 102036392861904. Its totient is φ = 101986029382500.

The previous prime is 102011211122123. The next prime is 102011211122207. The reversal of 102011211122201 is 102221112110201.

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 102011211122201 - 222 = 102011206927897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102011211122201.

It is not an unprimeable number, because it can be changed into a prime (102011211122207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12590863775 + ... + 12590871876.

It is an arithmetic number, because the mean of its divisors is an integer number (25509098215476).

Almost surely, 2102011211122201 is an apocalyptic number.

It is an amenable number.

102011211122201 is a deficient number, since it is larger than the sum of its proper divisors (25181739703).

102011211122201 is an equidigital number, since it uses as much as digits as its factorization.

102011211122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25181739702.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102011211122201 its reverse (102221112110201), we get a palindrome (204232323232402).

The spelling of 102011211122201 in words is "one hundred two trillion, eleven billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 4051 25181735651 102011211122201