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102110112101 = 149516829651
BaseRepresentation
bin101111100011000111…
…1001010100101100101
3100202120020012010212202
41133012033022211211
53133110142041401
6114524142024245
710243245426554
oct1370617124545
9322506163782
10102110112101
113a3395505a8
1217958578085
139823a2b19a
144d293bdd9b
1529c95ed06b
hex17c63ca965

102110112101 has 4 divisors (see below), whose sum is σ = 102116956704. Its totient is φ = 102103267500.

The previous prime is 102110112089. The next prime is 102110112127. The reversal of 102110112101 is 101211011201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101211011201 = 293490034869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102110112101 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 (102110112131) 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, 3399875 + ... + 3429776.

It is an arithmetic number, because the mean of its divisors is an integer number (25529239176).

Almost surely, 2102110112101 is an apocalyptic number.

It is an amenable number.

102110112101 is a deficient number, since it is larger than the sum of its proper divisors (6844603).

102110112101 is an equidigital number, since it uses as much as digits as its factorization.

102110112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844602.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102110112101 its reverse (101211011201), we get a palindrome (203321123302).

The spelling of 102110112101 in words is "one hundred two billion, one hundred ten million, one hundred twelve thousand, one hundred one".

Divisors: 1 14951 6829651 102110112101