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102111022001101 = 493177207047413
BaseRepresentation
bin10111001101111010010011…
…001100011010101111001101
3111101112201101200122101120111
4113031322103030122233031
5101340441333113013401
61001101053402320021
730336164213113651
oct2715722314325715
9441481350571514
10102111022001101
112a59904a988683
12b5519727b9011
1344c9049848599
141b302b24bca61
15bc121e46ee51
hex5cde9331abcd

102111022001101 has 4 divisors (see below), whose sum is σ = 102111229541692. Its totient is φ = 102110814460512.

The previous prime is 102111022001069. The next prime is 102111022001141. The reversal of 102111022001101 is 101100220111201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16380070672900 + 85730951328201 = 4047230^2 + 9259101^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111022001101 - 25 = 102111022001069 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 (102111022001141) 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, 103030530 + ... + 104016883.

It is an arithmetic number, because the mean of its divisors is an integer number (25527807385423).

Almost surely, 2102111022001101 is an apocalyptic number.

It is an amenable number.

102111022001101 is a deficient number, since it is larger than the sum of its proper divisors (207540591).

102111022001101 is an equidigital number, since it uses as much as digits as its factorization.

102111022001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207540590.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111022001101 its reverse (101100220111201), we get a palindrome (203211242112302).

The spelling of 102111022001101 in words is "one hundred two trillion, one hundred eleven billion, twenty-two million, one thousand, one hundred one".

Divisors: 1 493177 207047413 102111022001101