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102120000211001 = 791292658230519
BaseRepresentation
bin10111001110000010101010…
…010101100100100000111001
3111101120120120101201201012002
4113032002222111210200321
5101341113230023223001
61001105140324430345
730336632542462013
oct2716025225444071
9441516511651162
10102120000211001
112a5a1937946663
12b5536595483b5
1344c9b4a939716
141b308c4a611b3
15bc159779546b
hex5ce0aa564839

102120000211001 has 4 divisors (see below), whose sum is σ = 103412658441600. Its totient is φ = 100827341980404.

The previous prime is 102120000210947. The next prime is 102120000211043. The reversal of 102120000211001 is 100112000021201.

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 a de Polignac number, because none of the positive numbers 2k-102120000211001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120000211081) 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, 646329115181 + ... + 646329115338.

It is an arithmetic number, because the mean of its divisors is an integer number (25853164610400).

Almost surely, 2102120000211001 is an apocalyptic number.

It is an amenable number.

102120000211001 is a deficient number, since it is larger than the sum of its proper divisors (1292658230599).

102120000211001 is an equidigital number, since it uses as much as digits as its factorization.

102120000211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292658230598.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102120000211001 its reverse (100112000021201), we get a palindrome (202232000232202).

The spelling of 102120000211001 in words is "one hundred two trillion, one hundred twenty billion, two hundred eleven thousand, one".

Divisors: 1 79 1292658230519 102120000211001